Minerais e
rocas
A B C
D E F G H
I J K L M
N O P Q R
S T U V W X Y Z
A
Amblygonit
Amblygonit der; griechisch weißes oder
grünlichgraues, glasglänzendes Mineral, triklin; Härte 6.
http://www.bartleby.com/61/42/A0244200.html
Amblygonite NOUN A white or greenish mineral, (Li,Na)Al(PO4)(F,OH),
that is an important source of lithium ETYMOLOGY German Amblygonit, from
Greek amblug
nios, obtuse-angled : amblus, blunt; see mel-1
in Appendix I + gni
, angle
http://mineral.galleries.com/minerals/phosphat/amblygon/amblygon.htm
The general appearance of amblygonite does resemble these two minerals
especially the albite but it can be differentiated with a flame test for
lithium, density and by its unusual cleavage
Aplit
Aplit der; griechisch feinkörniger, heller,
saurer Granit; sehr wenig Glimmer; auf Gängen.
http://www.bartleby.com/61/66/A0366600.html
Aplite VARIANT FORMS also hap·lite NOUN A fine- grained,
light-colored granitic rock consisting primarily of orthoclase and quartz
ETYMOLOGY German Aplit, from Greek haplous, single
http://uts.cc.utexas.edu/~rmr/E-rock/aplite.html
That's an aplite dike. A number of these cut the granite on Enchanted
Rock. "Aplite" is just a fancy geology word for a fine-grained
granite with a sugary texture and not much biotite.
B
Blende
Blenden sulfidische Mineralien, stark glänzend,
oft durchscheinend; Härte 3-4.
http://www.bartleby.com/61/3/B0320300.html
Blende NOUN Any of various shiny minerals composed chiefly of metallic
sulfides. ETYMOLOGY German, from blenden, to deceive (because it
resembles lead ore), from Middle High German blenden, from Old High
German blentan, to blind, deceive. See bhel-1 in
Appendix I.
http://fisica.ufro.cl/profesores/omualin.html
"Role of the Jahn-Teller coupling on the luminescent spectra of Fe2+
in zinc-blende compounds" E.E. Vogel, O. Mualin, H.-J. Schulz and M.
Thiede, Z.Phys. Chemie 201 99-109 (1997).
Diccionario
del Español Actual
Blenda (Mineral) Mineral de sulfuro de cinc, en cristales muy brillantes, y que constituye la mejor mena del cinc.
Blenda. (Del al. Blende). 1. f. Sulfuro de cinc, que se halla en la naturaleza en cristales muy brillantes, de color que varía desde el amarillo rojizo al pardo oscuro, y se utiliza para extraer el cinc.
María
Moliner
Blenda: (Del al. «blende», de «blenden», cegar, engañar, por prestarse la blenda a ser confundida con la galena.) Mineral (sulfuro de cinc) que aparece en cristales brillantes, de color que varía desde el amarillo rojizo al pardo obscuro; es el mineral más importante de que se extrae el *cinc.
Enciclopedia
Microsoft Encarta 2000
Blenda: Sulfuro de cinc nativo del cual se extrae este metal.
http://www.bocamina.com/esp/n00_1.htm
Uno de los yacimientos clásicos españoles, que más fama mundial ha adquirido, es el de Áliva (Cantabria), de donde proceden las blendas de mejor calidad del mundo, tanto por su transparencia, variedad de colores, pureza y cantidad (popularmente conocida en nuestro país como blenda acaramelada).
D
Demantoid
Demantoid grüner Kalkeisengranat.
http://www.bartleby.com/61/89/D0118900.html
Demantoid NOUN A transparent, green variety of garnet used as a gem.
ETYMOLOGY German, from archaic Demant, diamond, from Middle High German diemant,
from Old French diamant.
http://www.gemstone.org/gem-by-gem/english/demantoid.html
Demantoid garnet has a fiery
brilliance not usually associated with garnets: in fact it has a higher
dispersion than diamond. But all this fire and brilliant green color has a
price: demantoid is the rarest of garnets, and is rarely found in sizes above a
few carats.
Druse
Druse Mineralogie Gesteinshohlraum mit Schalen aus kristallisiertem
Quarz, Kalkspat, Aragonit und Zeolithen.
http://www.bartleby.com/61/32/D0403200.html
Druse NOUN A crust of tiny crystals lining a rock cavity, usually
composed of the same minerals that occur in the rock. ETYMOLOGY German,
weathered ore, probably from Middle High German druos, gland, tumor,
from Old High German.
http://www.harcourt.com/dictionary/def/3/2/5/4/3254700.html
Druse [drooz] Geology. a small cavity in a rock
or vein whose interior surface is encrusted with small, projecting crystals,
usually of the same minerals as the enclosing rock. Mineralogy.
a globular, compound, calcium oxalate crystal with numerous crystals projecting
from its surface.
http://www.biotech.iastate.edu/facilities/BMF/SEMphotogallery/druse.html
Calcium oxalate druse from Peperomia.
F
Feldspat
Feldspat Sammelname für eine Mineralgruppe, die an
der Zusammensetzung der Erdkruste zu etwa 60% beteiligt ist. Man unterscheidet:
1. Kalifeldspat (Orthoklas),
KAlSi3O8, mit Abarten wie Adular, Sanidin; weiß bis rot, monoklin, gut spaltbar in 2
(senkrecht zueinander stehende) Ebenen; Verwitterung zu Kaolin. - 2. Kalknatronfeldspat (Plagioklas), weißlich, triklin, gut spaltbar
wie 1); ein Mischkristall aus Albit,
NaAlSi3O8 (grün gefärbte Abart: Periklin) und Anorthit, Ca[Al2Si2O8], in
wechselnden molaren Verhältnissen; mit polysynthetischer Zwillingsbildung;
verwittert zu calcium-, aluminium- und namentlich natriumhaltigen Ablagerungen.
- 3. Mikrolin, dem Kalifeldspat
ähnlich, aber kompliziert verzwillingt ("Gitterstruktur"),
triklin, enthält neben Kalium auch Natrium.
http://www.bartleby.com/61/6/F0070600.html
Feldspar VARIANT FORMS also fel·spar NOUN Any of a group of
abundant rock-forming minerals occurring principally in igneous, plutonic, and
some metamorphic rocks, and consisting of silicates of aluminum with potassium,
sodium, calcium, and, rarely, barium. About 60 percent of the earth's outer
crust is composed of feldspar. ETYMOLOGY Partial translation of obsolete German
Feldspath : Feld, field (from Middle High German veld,
from Old High German feld; see pel-2
in Appendix I) + Spath, spar.
http://machaut.uchicago.edu/cgi-bin/WEBSTER.page.sh?PAGE=550
Feldspathose Feld*spath"ic (?), Feld*spath"ose (?), a. Pertaining to, or consisting of, feldspar. http://www.probertencyclopaedia.com/H3.HTM
Feldspar (felspar) is a name given to a group of minerals, closely
related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta.
Diccionario
del Español Actual
Feldespato (Mineral): Mineral constituido por un silicato de aluminio con sodio, potasio, calcio o bario, que forma parte de un gran número de rocas.
Feldespato. (Del al. Feldspat). 1. m. Nombre común de diversas especies minerales, de color blanco, amarillento o rojizo, brillo resinoso o nacarado y gran dureza, que forman parte de rocas ígneas, como el granito. Químicamente son silicatos complejos de aluminio con sodio, potasio o calcio, y cantidades pequeñas de óxidos de magnesio y hierro. Entre los feldespatos más importantes están la ortosa, la albita y la labradorita.
María
Moliner
Feldespato: Nombre dado a varios *minerales, silicatos de sodio, potasio, calcio o bario, que forman parte de muchas rocas.
http://www.igme.es/internet/publicaciones/panorama/feldespato.htm
En 1996, la producción de feldespato alcanzó las 367,9 kt, en los mismos niveles que el año anterior, sin tener en cuenta 109,7 kt de arenas feldespáticas extraidas para cerámica y 72 kt del lavado de caolines, que la elevarían a casi 550 kt.
Felsenmeer
Felsenmeer größere Ansammlung von meist
kantengerundeten Gesteinsblöcken, entstanden durch die Wollsackverwitterung in
Massengesteinen (besonders Granit, auch Quarzporphyre und Basalt). Beispiele
finden sich im Harz, im Odenwald (Felsberg), im Fichtelgebirge (Luisenburg).
http://www.harcourt.com/dictionary/def/3/8/6/5/3865800.html
Felsenmeer Geology. a relatively thin, flat, or
gently sloping accumulation of angular blocks of rock found in place on
mountaintops above the treeline.
http://www.geo.ukans.edu/phicp/felsenmeer.html
Felsenmeer are geomorphic surfaces on highland
plateaux characterized by large and small typically angular boulders of locally
derived rock.
G
Glaukonit
Glaukonit der; griechisch schwarzgrünes, wasserhaltiges Mineral
(Kali-Eisen-Aluminiumsilicat) in Meeressedimenten; oft an Festlandrändern im
Brackwasser entstanden.
http://www.bartleby.com/61/58/G0145800.html
Glauconite NOUN A greenish mineral of the mica group, a hydrous silicate
of potassium, iron, aluminum, or magnesium, (K,Na)(Al,Fe,Mg)2(Al,Si)4O10(OH)2,
found in greensand and used as a fertilizer and water softener. ETYMOLOGY
German Glaukonit : Greek glaukon, neuter of glaukos, gray
+ –ite1
http://aapg.confex.com/aapg/hu2002/techprogram/paper_43207.htm
Effect of glauconite on the elastic properties, porosity, and
permeability of reservoir rocks
Glanz
Glanz durch reflektiertes Licht an Flächen bedingte optische
Erscheinung. - In der Mineralogie ist der Glanz ein wichtiges Merkmal zum
Bestimmen von Mineralien.
http://www.bartleby.com/61/13/G0141300.html
Glance NOUN Any of various minerals that have a brilliant luster: silver
glance. ETYMOLOGY German Glanz, from Middle High German glanz,
from Old High German, bright.
http://www.min.uni-bremen.de/kabinett/klasse_2.en.html
Antimonite Sb2S3 antimony glance with antimony bloom
from
Gneis
Gneis, der
ein granitähnliches, stark metamorphes Urgestein, besonders mit
Feldspat, Glimmer und Quarz in schiefrigschichtiger Anordnung. Man
unterscheidet Orthogneis
(entstanden aus Eruptivgesteinen) und Paragneis
(aus Sedimentgesteinen) sowie viele Abarten nach der Art des Glimmers
(Biotitgneis, Muskowitgneis, Serizitgneis u. a.) und nach der Struktur (z. B.
Augengneis).
http://www.bartleby.com/61/63/G0166300.html
Gneiss NOUN A banded or foliated metamorphic
rock, usually of the same composition as granite. ETYMOLOGY German Gneis,
probably alteration of Middle High German ganeist, spark (from its
appearance), from Old High German gneista.
http://volcano.und.nodak.edu/vwdocs/vwlessons/lessons/Slideshow/Merocks/Merock5.html
Gneiss can be used by man as paving and
building stone.
Diccionario
del Español Actual
Gneis (plural invariable) m (Mineral): Roca de estructura pizarrosa, compuesta de cuarzo, feldespato y mica.
Gneis. (Del al. Gneis). 1. m. Roca de estructura pizarrosa e igual composición que el granito
María
Moliner
Gneis: (pronunc. «gn(ei)s» o «n(ei)s».) *Roca de la misma composición que el granito, en que los minerales están dispuestos en capas visibles, siendo las de los claros (cuarzo y feldespato) granuladas, y las de los obscuros (mica y hornablenda) foliáceas.
Enciclopedia Microsoft Encarta 2000
Gneis, roca metamórfica en la que los minerales se han separado en capas paralelas, creando una estructura laminar o de bandas. El metamorfismo de muchas rocas ígneas y sedimentarias produce capas de cuarzo y de feldespato alternadas con otras de minerales oscuros. Las distintas variedades de gneis toman su nombre del tipo de roca que las forman (como el gneis de granito o el de diorita) o del mineral en el que son abundantes (como el gneis de la biotita o de la hornblenda).
http://edafologia.ugr.es/Rocas/gneiss.htm
Gneis Roca de metamorfismo regional de muy diverso origen, de grado medio y alto.
http://www.terra.es/personal2/rocasgalicia/gali.htm
La zona norte de la sierra está formada por gneis que da lugar a sus cumbres más importantes y abruptas. La zona suroeste aparece constituida por granito de dos micas.
Granophyr
http://www.geo.tum.de/studenten/skripten/ue-magmatite/magmatite.pdf
Granophyr: feinkörniger, porphyrischer Granit mit
mikrographischen Gefüge.
http://www.bartleby.com/61/1/G0230100.html
Granophyre NOUN A fine-grained granite porphyry having a groundmass with
irregular intergrowths of quartz and feldspar. ETYMOLOGY German Granophyr:
grano-, grano- + (Por)phyr, porphyry (from Medieval Latin porphyrium)
http://www.harcourt.com/dictionary/def/4/4/7/9/4479600.html
granophyre Petrology. a quartz
porphyry or fine-grained porphyritic granite with a groundmass of intergrown
quartz and alkali feldspar.
http://sorrel.humboldt.edu/~jdl1/web.page.images/granophyre1.html
The granophyre in the photo above (field of view 1.5 mm) shows altered
sodic plagioclase and clear quartz, in some cases intergrown to form myrmekite.
Grauwacke
Grauwacke festes, grobes
Sedimentgestein von Quarz, Kiesel- und Tonschiefer, Feldspat und Glimmer; z. B.
besteht die Lorelei aus Grauwacke.
http://www.bartleby.com/61/52/G0245200.html
Graywacke NOUN Any of various dark gray sandstones that contain shale
ETYMOLOGY Partial translation of German Grauwacke : grau, gray + Wacke,
rock (from Middle High German, from Old High German waggo, boulder; see wegh-
in Appendix I).
http://www.beernotes.com/breakingnews/steinbier.html
Rauchenfels, the original Steinbier producer, uses graywacke.
Graywacke's chief advantage is its ability to bloom, or expand, when heated.
Greisen
Greisen der ein Gestein aus Quarz und hellem Glimmer mit
bor- und fluorhaltigen Mineralien; es entsteht aus gasreichen, aus Granit ausgeschiedenen
Schmelzresten.
http://www.bartleby.com/61/48/G0264800.html
Greisen NOUN A granitic rock composed chiefly of quartz and mica
ETYMOLOGY German, from greissen, to split
http://msg.gly.bris.ac.uk/pages/mpages/rip2000/rip00abst.html
A SIMS investigation of fluid-rock interactions during greisen formation
in the Skiddaw granite, northwest
http://www.siemcalsa.com/Web/html/glosario_de_terminos_geologico.html
Greisen: Roca plutónica, granuda, de coloración clara, formada esencialmente por cuarzo y micas a menudo verdosas y enriquecidas en Li. Estas rocas pueden estar cargadas de casiterita, turmalina, a veces wolframita y más raramente topacio.
http://www.beariz.org/biblioteca/artigos_interesantes/mineria_beariz_castroviejo.htm
El autor reconoce en su estudio que la minería de la zona parece tener un origen muy antiguo y clasifica los yacimientos explotados en varios «tipos: pegmatitas, fiones de cuarzo mineralizados, greisen y aluviones».
Gummi
Gummi der häufig gebrauchte, doch unrichtige
Bezeichnung für Kautschuk → Kautschuk der; indianisch, französisch englisch
India-rubber eine
hochpolymere organische Substanz, aufgebaut aus mehreren tausend Isoprenresten
pro Molekül (Isopren); Formel: (C5H8)n. Diese Isoprenbausteine
tragen jeweils zwei Doppelbindungen, an die andere Atome angelagert werden
können. So entsteht z. B. durch Schwefelanlagerung Gummi (Vulkanisation) und mit Chlorgas der Chlorkautschuk.
http://www.bartleby.com/61/29/G0312900.html
Gummite NOUN An orange-red to grayish yellow mixture of several uranium
oxides, silicates, and salts occurring naturally in the oxidation and hydration
of uraninite. ETYMOLOGY German Gummit, from Gummi, gum, from
Middle High German, from Medieval Latin, from Latin
http://www.harcourt.com/dictionary/def/4/5/7/5/4575700.html
gummite Mineralogy. any of a number
of yellow to orange, gumlike secondary uranium oxides.
http://home.satx.rr.com/robnjean/bh/landes1.html
However, it had an index higher than 1.71 which does not accord with the
usual published data for gummite.
H
Hornblenden
Hornblenden Amphibole verbreitete
gesteinsbildende Mineralgruppe; Calcium-Magnesium-Silicatminerale mit oder ohne
Aluminium und Eisen; meist schwarzbraune, selten grünliche Kristalle; wichtige
Eruptivgemengteile, auch in metamorphen Gesteinen. Man unterscheidet: Rhombische Hornblenden (Antophyllit), Monokline
Hornblenden (Tremolit, Aktinolith, Grünerit, Glaukophan, Arfvedsonit) und Trikline Hornblenden (Änigmatit).
http://www.bartleby.com/61/82/H0278200.html
Hornblende NOUN A green to black amphibolic
mineral, CaNa(Mg,Fe)4(Al,Fe,Ti)3Si6O22(OH,F)2,
formed in the late stages of cooling in igneous rock. ETYMOLOGY German : Horn,
horn (from Middle High German, from Old High German; see ker-1
in Appendix I) + Blende, blende; see blende.
http://www.sedimentologia.org.ar/aasrevista/2_12_091.html
PI heavy mineral association is dominated by
green hornblende, derived from the erosion of amphibolites and gneisses, and by
subordinate quantities of epidote, apatite, zircon, garnet and turmaline.
Diccionario
del Español Actual
Hornblenda f (Mineral) Mineral constituido por silicato de aluminio, calcio, hierro y magnesio, de color verdoso o negruzco.
Enciclopedia Microsoft Encarta 2000
Hornblenda, grupo de silicatos minerales entre translúcidos y opacos, con fórmula característica general Ca2Na(Mg,Fe)4(Al,Fe,Ti) 3Si8O22(O,OH)2, encontrados en rocas metamórficas, ígneas y volcánicas. Las hornblendas contienen hierro y aluminio en cantidad considerable, y algo de sodio. Cristalizan en el sistema monoclínico y tienen una dureza de entre 5 y 6, y una densidad de entre 2,9 y 3,4.
La hornblenda pertenece al grupo de los minerales conocidos como anfíboles, en los que se encuentra también la tremolita. Suele crecer en esquistos bajo la forma de agujas prismáticas largas de color verde oscuro, castaño o negro y con lustre vítreo o sedoso. Hay yacimientos importantes en Italia, Noruega, Suecia y Estados Unidos.
http://www.uned.es/cristamine/fichas/ferrohornblenda/ferrohornblenda.htm
El término hornblenda comprende un conjunto de minerales con composiciones variables en las relaciones Ca/Na, Mg/Fe3+, Al/Fe3+, Al/Si y OH/F.
Hornfels
Hornfels Kornubianit durch
heiße Magmen kontaktmetamorph veränderter, ursprünglich Tonschiefer; mit Quarz,
Glimmer, Magnetit, Kordierit.
http://www.bartleby.com/61/92/H0279225.html
Hornfels NOUN Inflected forms: pl. hornfels A
fine-grained metamorphic rock composed of quartz, feldspar, mica, and other
minerals, formed by the action of intrusive rock upon sedimentary rock,
especially shale. ETYMOLOGY German : Horn, horn; see hornblende + Fels,
rock, cliff (from Middle High German vels, from Old High German felis).
http://sorrel.humboldt.edu/~jdl1/web.page.images/hornfels1.html
The rock on the left falls within the hornblende
hornfels facies, with hornblende and plagioclase; the rock on the right is in
the pyroxene hornfels facies and contains plagioclase, cordierite (a few of the
first order yellow grains), and biotite.
K
Kieselgur
Kieselgur Kieselmehl Bergmehl Infusorien- Diatomeenerde sehr
leichtes, hellgraues oder rötliches, aus den kieselsäurehaltigen Panzern von
Diatomeen (Kieselalgen) bestehendes Pulver; wird zur Wärme- und
Schall-Isolation, für Verpackungszwecke, zur Füllung von
Acetylen-Stahlflaschen, zur Herstellung von Gurdynamit, als Scheuermittel, als
Filtrierhilfsmittel und beim Straßenbau verwendet.
http://www.bartleby.com/61/72/K0057200.html
Kieselgurh NOUN Diatomite, a fine, powdered diatomaceous earth used in industry
as a filler, a filtering agent, an absorbent, a clarifier, and an insulator.
ETYMOLOGY German Kieselgur : Kiesel, pebble (from Middle High
German kisel, from Old High German chisil) + Gur, Guhr,
ferment, earthy deposit from water (from gären, to ferment, blend of
Middle High German jësan, from Old High German, and Middle High German *jern,
to cause to ferment, from Old High German jerian; see yes- in
Appendix I).
http://www.nobel.se/nobel/alfred-nobel/industrial/krummel/kieselguhr.html
Kieselguhr, a diatomaceous earth (diatomite) is a form of
silica composed of the siliceous shells of unicellular aquatic plants of
microscopic size. Kieselguhr is heat resistant and has been used as an
insulator, as a component in toothpaste and as an abrasive in metal polishes.
In the chemical industry, it is also used as a filter to clarify syrups and
sugar and as a filling material in paper, paints, ceramics, soap and detergents.
Diccionario
del Español Actual
Kieselguhr (al; pronunciación corriente, /kíselgur/; también con la grafía kieselgur) m (Mineral): Roca silícea formada por acumulación de caparazones de diatomeas fósiles.
http://www.comex.go.cr/acuerdos/comerciales/tlc%20mexico/listas%20mx/apendice%20V.htm
HARINAS SILICEAS FOSILES (POR EJEMPLO: KIESELGUHR, TRIPOLITA O DIATOMITA) Y DEMAS TIERRAS SILICEAS ANALOGAS, DE DENSIDAD APARENTE INFERIOR O IGUAL A 1, INCLUSO CALCINADAS.
L
Lamprophyr
Lamprophyr der; griechisch
ein Ganggestein, das weniger Kieselsäure und Alkalien enthält als das
Ursprungsmagma; daher reich an dunklen Bestandteilen.
http://www.bartleby.com/61/16/L0031600.html
Lamprophyre NOUN Any of several intermediate igneous rocks constituting
feldspar and ferromagnesium minerals that occur as dikes and minor intrusions.
ETYMOLOGY German Lamprophyr : Greek lampros, clear (from lampein,
to shine) + French porphyre, porphyry (from Old French porfire;
see porphyry).
http://www.ias.ac.in/currsci/dec251999/articles26.htm
Alkali basaltic-lamprophyric dykes intrude Precambrian gneisses in the
Schirmacher Oasis,
Limonit
Limonit der; arabisch,
italienisch Brauneisenstein
braunes bis schwarzes, bisweilen bunt angelaufenes, schwach
glasglänzendes oder mattes Mineral; amorph, in verschiedenen Formen.
http://www.bartleby.com/61/60/L0176000.html
Limonite NOUN Any of a group of widely occurring yellowish-brown to
black iron oxide minerals, essentially FeO(OH)·nH2O, used as
a minor ore of iron. ETYMOLOGY German Limonit, from Greek leimn, meadow.
http://mineral.galleries.com/minerals/oxides/limonite/limonite.htm
Limonite forms mostly in or near oxidized iron and other metal ore
deposits, and as sedimentary beds
M
Meerschaum
Meerschaum Sepiolith weißes bis
gelbliches, mattes Mineral; monoklin, meist knollig, dicht, feinerdig;
Magnesium-Siliciumoxid; Härte 2-2,5; bedeutendstes Vorkommen: Anatolien; für
Schmuckgegenstände, Tabakspfeifen, Zigarettenspitzen verwendet.
http://www.bartleby.com/61/69/M0196900.html
Meerschaum NOUN 1. A fine, compact,
usually white claylike mineral of hydrous magnesium silicate, H4Mg2Si3O10,
found in the Mediterranean area and used in fashioning tobacco pipes and as a
building stone. Also called sepiolite. 2. A tobacco pipe with a
bowl made of this mineral. ETYMOLOGY German : Meer, sea (from Middle
High German mer, from Old High German mari; see mori- in
Appendix I) + Schaum, foam (from Middle High German schm, from Old High German scm; see (s)keu- in Appendix I).
Every pipe has a special value for the pipe
smoker. Do you have a meerschaum pipe? If you have you may still think to add
one of our high quality pipes to your collection.
Miβpickel
Wahrig - Deutsches Wörterbuch: 'Miß·pickel <-k·k->, 'Miss·pi·ckel
<m. 5; unz.; Min.> Arsenkies
http://www.bartleby.com/61/0/M0340000.html
Mispickel NOUN See arsenopyrite ETYMOLOGY Obsolete German Misspickel,
from earlier Misspült, Misspückel
http://www.chemsoc.org/viselements/pages/data/arsenic_data.html
The commonest arsenic-containing mineral is mispickel, and others
include realgar and orpiment.
P
Pechblende
Pechblende Uraninit Uranpecherz UO2, schwarzes, ins Grünliche und Bräunliche spielendes,
fettglänzendes oder mattes Mineral; regulär, Härte 4-6, leicht verwitternd; auf
Erzgängen und verbreitet in Pegmatiten, zuerst gefunden bei Joachimsthal im
Erzgebirge; wirtschaftlich wichtiges Uranerz, enthält auch Radium.
http://www.bartleby.com/61/38/P0333800.html
Pitchblende NOUN A massive variety of the mineral uraninite ETYMOLOGY
Partial translation of German Pechblende : Pech, pitch + Blende,
blende
http://www.britannica.com/eb/article?eu=61728
Three chemical
elements were first discovered in pitchblende: uranium by the German chemist
Martin Klaproth in 1789, and polonium and radium by the French
scientists Pierre and Marie Curie in 1898.
Diccionario
del Español Actual
Pecblenda (Mineral): Mineral constituido por óxido de uranio y varios metales raros, entre ellos el radio.
Pecblenda. (Del al. Pechblende). 1. f. Geol. Mineral de uranio, de composición muy compleja, en la que entran ordinariamente varios metales raros y entre ellos el radio.
María
Moliner
Pecblenda: *Mineral de uranio de composición compleja en que entran varios metales raros, entre ellos el radio.
http://www.geocities.com/Vienna/8762/Ciencia/Curie.htm
Marie y Pierre comenzaron separando y midiendo pacientemente la radiactividad de todos los elementos que contiene la pecblenda (mineral de uranio), pero a medida que fueron limitando el campo de su investigación sus hallazgos indicaron la existencia de dos elementos nuevos en vez de uno.
Pechstein
Pechstein dunkles,
vulkanisches Glas, wasserreich und pechähnlich glänzend; Bimsstein.
http://www.bartleby.com/61/51/P0335100.html
Pitschstone NOUN Any of various volcanic glasses distinguished by their
dull pitchlike luster ETYMOLOGY Translation of German Pechstein
http://www.geocities.com/RainForest/Canopy/1080/pitchstone.htm
Pitchstone originated form a rapidly chilled lava flow and is therefore
always associated with volcanoes.
Periklas
Periklas der; griechisch
gut spaltbares, graues bis dunkelgrünes, glasglänzendes Mineral, Magnesiumoxid;
regulär; Härte 5,5- 6; kleine Kristalle in vulkanischen Auswürflingen.
http://www.bartleby.com/61/17/P0191700.html
Periclase NOUN A mineral form of magnesium
oxide, MgO, usually occurring in cubic crystals or grains ETYMOLOGY German Periklas
: Greek peri-, intensive pref.; see peri– + Greek klasis,
breaking (from its perfect cleavage);
http://mineral.galleries.com/minerals/oxides/periclas/periclas.htm
Periclase is sometimes used as a gemstone
although it lacks good hardness and is generally limited in colors
Pyrargyrit
Pyrargyrit griechisch Mineral, Rotgültigerz
http://www.bartleby.com/61/52/P0685200.html
Pyrargyrite NOUN A deep red to black silver ore
with composition Ag3SbS3 ETYMOLOGY German Pyrargyrit
: Greek puro-, pyro- + Greek arguros, silver.
http://webmineral.com/specimens/Pyrargyrite.shtml
Pyrargyrite with quartz from Fresnillo,
Pyrolusit
Pyrolusit der; griechisch Mineral Braunstein.
http://www.bartleby.com/61/86/P0688600.html
Pyrolusite NOUN A soft, black to dark gray
mineral, MnO2, the commonest and most important secondary ore of
manganese. ETYMOLOGY German Pyrolusit : Greek puro-, pyro- +
Greek lousis, a washing (from louein, to wash; see leu()- in Appendix I).
http://mineral.galleries.com/minerals/oxides/pyrolusi/pyrolusi.htm
Pyrolusite is the most common manganese mineral
and is an important ore.
Q
Quarz
Wahrig - Deutsches Wörterbuch: Quarz <m.
1> häufigstes Mineral der Erdoberfläche,
chemisch Siliciumoxid, SiO2 [<mhd. quarz, Fachwort des böhm. Bergbaus
<westslaw. kwardy „Quarz“; Nebenform
zu tschech. tvrdy, poln. twardy „Quarz“; alle zu aslaw. tvrudu „hart“ od. zu mdt. querch „Zwerg“, nach dem früheren Glauben
der Bergleute, dass eine Schädigung der Erze durch wertlose Mineralien
Berggeistern zuzuschreiben sei]
http://www.bartleby.com/61/0/Q0020000.html
Quarz NOUN A very hard mineral composed of
silica, SiO2, found worldwide in many different types of rocks,
including sandstone and granite. Varieties of quartz include agate, chalcedony,
chert, flint, opal, and rock crystal. ETYMOLOGY German Quarz, from
Middle High German quarc, of Slavic origin.
http://www.adi.uam.es/~lhh345a/Publicaciones1.html
A quarz microbalance assay for detection of
antibodies againt the recombinant African swine fever virus attachement protein
p12 in awine serum
Diccionario del Español Actual
Cuarzo: Mineral de sílice, muy duro, capaz de rayar el acero, incoloro cuando es puro, y de brillo vítreo.
Cuarzo. (Del al. Quarz). 1. m. Mineral formado por la sílice, de fractura concoidea, brillo vítreo, incoloro, cuando puro, y de color que varía según las sustancias con que está mezclado, y tan duro que raya el acero.
María Moliner
Cuarzo: Mineral (*sílice anhidra) muy abundante, de colores muy variados, tan duro que raya el acero. En el granito es el componente de color blanco. El cuarzo cristalizado se presenta en prismas hexagonales y es el «cristal de roca» o «cuarzo cristalino». Por su resistividad a elevada temperatura, se emplea para lámparas de vapor de mercurio, válvulas de radio, pirómetros, etc. CUARZO ROSADO. Variedad de este color debido probablemente a una pequeñísima proporción de titanio. El color se destruye exponiéndolo a la luz natural intensa.
Enciclopedia
Microsoft Encarta 2000
Cuarzo (al. Quarz): Óxido de silicio, que se presenta en cristales hexagonales o en masas cristalinas o compactas, con diversos colores y grados de transparencia, y es uno de los constituyentes del granito y otras rocas.
http://www.ciudadfutura.com/mistico/geo/cuarosa.htm
El color rosado de este cuarzo se lo da cierta cantidad de titanio que aparece entre sus componentes.
R
Rhodochrosit
Rhodochrosit [der,
griechisch] Manganspat, Himbeerspat, lichtrosa bis himbeerrotes,
glasglänzendes Mineral, Mangancarbonat, MnCO3; trigonal; Härte 4.
Manganerz; Vorkommen: Odenwald, Harz, Karpaten, Spanien, USA.
http://www.bartleby.com/61/44/R0224400.html
Rhodochrosite NOUN A mineral consisting mainly
of manganese carbonate, MnCO3, light pink to rose-red in color with
a pearly or vitreous luster, used as a manganese ore ETYMOLOGY German Rhodochrosit,
from Greek rhodokhrs, rose-colored : rhodo-, rhodo- + khrs, color.
http://mineral.galleries.com/minerals/carbonat/rhodochr/rhodochr.htm
Rhodochrosite (whose name means rose-colored)
is a very attractive mineral with an absolutely one-of-a-kind, beautiful color.
Although it can be an ore of manganese, it is its ornamental and display
specimen qualities that make it a very popular mineral
S
Schiller
Wahrig - Deutsches Wörterbuch: 'Schil·ler
<m.; -s; unz.> Farbenglanz,
wechselndes Farbenspiel (eines Stoffes); Schillerwein [→ schillern]
http://www.bartleby.com/61/40/S0134000.html
Schiller NOUN A lustrous colored reflection
from certain planes in a mineral grain. ETYMOLOGY German, iridescence, from
Middle High German schilher, iridescent taffeta, from schilhen,
to twinkle, squint, from Old High German scilihen, to squint, wink
http://www.rockhounds.com/rockshop/feldspar.html
The presence of lamellae, which are thin,
platelike layers within the crystalline structure, gives rise to the
"Schiller Effect". This is an iridescence caused by the scattering of
light between the layers.
Schörl
Schörl der der einfache schwarze Turmalin
http://www.bartleby.com/61/32/S0143200.html
Schorl NOUN Tourmaline, especially black
tourmaline ETYMOLOGY German Schörl. OTHER FORMS schor·laceous ADJECTIVE
http://mineral.galleries.com/minerals/silicate/schorl/schorl.htm
Schorl can be a major component of igneous and
metamorphic rocks. Although it is not the only black mineral common to such
rocks, it is the only one that will form crystals with a clear triangular
cross-section.
Spat
Wahrig - Deutsches Wörterbuch: Spat1 <m. 1> glanzloses Mineral, das
sich nach mehreren Richtungen gut spalten lässt (Feldspat,
Flussspat, Kalkspat) [<mhd. spat
„blättrig brechende Gesteinsart, Spat“, daneben „abgerissenes Stück, Splitter“
<germ. *speþa <idg. *spe „langes, flaches Holzstück“';
verwandt mit Span, spalten]
http://www.bartleby.com/61/97/S0609700.html
Spathic ADJECTIVE Having good cleavage. Used of
minerals ETYMOLOGY German Spath, Spat, spar (from Middle High German spt) + –ic.
http://onlinedictionary.datasegment.com/word/Spathic/
Spathic \Spath"ic\ (?), a. [Cf. F. spathique, fr.
F. & G. spath spar.] Like spar; foliated or lamellar; spathose.
http://www.town-usa.com/connecticut/litchfield/roxbury.html
Roxbury is known for the discovery of an ore
called spathic iron before the Revolution. Spathic iron is a very rare and at
the time of discovery was considered to be the only such deposit in the United
States.
T
Tachylyt
http://www.bartleby.com/61/79/T0007900.html
Tachylyte NOUN A black, glassy basalt of
volcanic origin ETYMOLOGY German Tachylyt : Greek takhu-, tachy-
+ Greek lutos, soluble (from lein, to loosen; see leu- in
Appendix I).
http://www.probertencyclopaedia.com/H7.HTM
Tachylite (Tachylyte) is a natural glass,
formed by the rapid cooling of molten basalt. It is a black or dark- brown and
greasy looking substance. It is very brittle and occurs in basaltic obsidians
in dikes, veins and intrusive masses.
Tetradymit
http://www.bartleby.com/61/12/T0131200.html
Tetradymite NOUN A steel-gray mineral, chiefly
Bi2Te2S ETYMOLOGY German Tetradymit, from Late
Greek tetradumos, fourfold (from the double twin crystals in which it
usually is found) : Greek tetra-, tetra- + didumos, double; see dwo-
in Appendix I.
http://www.smenet.org/opaque-ore/Plate40.shtml
Arsenopyrite, native gold and tetradymite.
U
Uraninit
Uraninit der Uranpecherz Pechblende
http://www.bartleby.com/61/24/U0142400.html
Uraninite NOUN A complex brownish-black
mineral, UO2, forming the chief ore of uranium and containing
variable amounts of radium, lead, thorium, and other elements. It is
isomorphous with thorianite. ETYMOLOGY German Uranin (from New Latin ranium, uranium; see uranium) + –ite1.
http://www.geology.neab.net/minerals/uraninit.htm
Description Uraninite is the main ore of
uranium. Occurance In pegmatites and hydrothermal veins. Also in sedimentary
rocks. Associates Gummite, uranophane. Notes Strongly radioactive. Insoluble in
hydrocloric acid, but dissolves slowly in nitric acid.
If a drop of nitric acid is placed on top of uranite it becomes strongly
flourescent.
Z
Zerussit
Zerussit, Cerussit → Weißbleierz weißes, gelbes oder braunes, diamantglänzendes
Mineral; chemisch Bleicarbonat PbCO3; rhombisch; Härte 3-3,5; in der
Oxidationszone von Blei-Zinklagerstätten mit Bleiglanz.
http://www.bartleby.com/61/58/C0215800.html
Cerussite NOUN A colorless or white mineral,
PbCO3, that is an ore of lead; lead carbonate ETYMOLOGY German Zerussit,
from Latin crussa, ceruse.
http://mineral.galleries.com/minerals/carbonat/cerussit/cerussit.htm
Cerussite is a minor ore of lead. It has a very
high luster due mostly to the lead content.
Zirkon
Zirkon der; arabisch,
französisch farbloses, meist aber
verschieden gefärbtes, fett- oder diamantglänzendes Mineral, chemisches
Zirkoniumsilicat (Zr[SiO4]); tetragonal, Härte 7,5; bildet
Einsprenglinge in Eruptivgesteinen und kristallinen Schiefern.
Edelsteinvarietäten sind Hyazinth
(braun, gelbrot) und Jargon (farblos, blassgelb).
http://www.bartleby.com/61/94/Z0019400.html
Zircon NOUN A brown to colorless mineral, ZrSiO4,
which is heated, cut, and polished to form a brilliant blue-white gem.
ETYMOLOGY German Zirkon, from Arabic siriqun, from Greek surikon,
from Persian zargn, fire color : zar, fire (from Middle Persian dur, from Old Persian *tar, ç-, in çiydiya, fire-worship month; see ter- in Appendix I) + -gn, color (from Middle Persian; akin
to Avestan gaonm, hair, complexion (second sense
unattested))
http://mineral.galleries.com/minerals/silicate/zircon/zircon.htm
Zircon resembles diamond in luster and fire and
colorless zircons have been mistaken for diamonds by experienced jewelers.
Zölestin
Zölestin der; lat.lateinisch
das Mineral Coelestin. → Coelestin ts⊘lɛ′sti|n; der Zölestin Mineral, farblos bis blaugrau, durchsichtig; Härte
3-3,5.
http://www.bartleby.com/61/81/C0188100.html
Celestine NOUN See celestite ETYMOLOGY
German Zölestin, from Latin caelestis, celestial
http://www.nottingham.ac.uk/pathology/protocols/celestine.html
Dissolve ferric ammonium sulphate in cold
distilled water. Add celestine blue and boil for a few mins. Cool, filter and
add glycerin
