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Minerals and Rocks > Mineral_Formula_and_Description_Table > Flashcards

Mineral_Formula_and_Description_Table Flashcards

(73 cards)

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1
Q

Mineral Name

A

Formula and Description

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2
Q

Copper

A

Cu - Reddish-brown metal, metallic luster.

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3
Q

Graphite

A

C - Soft, gray to black, metallic or earthy luster.

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4
Q

Sulfur

A

S - Yellow, brittle, earthy to resinous luster.

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5
Q

Pyrite

A

FeS₂ - Brassy yellow, metallic luster, cubic crystals.

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6
Q

Chalcopyrite

A

CuFeS₂ - Brass yellow with an iridescent tarnish.

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7
Q

Sphalerite

A

ZnS - Brown to black, resinous to adamantine luster.

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8
Q

Galena

A

PbS - Silver-gray, metallic luster, cubic crystals.

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9
Q

Cinnabar

A

HgS - Bright red, high-density mineral, metallic to earthy luster.

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10
Q

Realgar

A

AsS - Red to orange, resinous to greasy luster.

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11
Q

Orpiment

A

As₂S₃ - Yellow to orange, resinous luster.

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12
Q

Molybdenite

A

MoS₂ - Silver-gray, metallic luster, flaky appearance.

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13
Q

Cobaltite

A

CoAsS - Silver-gray with reddish tint, metallic luster.

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14
Q

Corundum

A

Al₂O₃ - Hard, blue, red, or gray, vitreous luster.

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15
Q

Hematite

A

Fe₂O₃ - Reddish-brown to metallic silver, metallic luster.

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16
Q

Magnetite

A

Fe₃O₄ - Black, metallic luster, strongly magnetic.

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17
Q

Limonite

A

FeO(OH)·nH₂O - Yellow-brown, earthy luster.

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18
Q

Cassiterite

A

SnO₂ - Brown to black, adamantine to metallic luster.

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19
Q

Goethite

A

FeO(OH) - Brown to yellow, earthy luster.

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20
Q

Bauxite

A

Al(OH)₃ - Red-brown, pisolitic structure, earthy luster.

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21
Q

Fluorite

A

CaF₂ - Transparent to translucent, cubic crystals, often brightly colored.

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22
Q

Halite

A

NaCl - Colorless to white, cubic crystals, salty taste.

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23
Q

Gypsum

A

CaSO₄·2H₂O - Colorless to white, soft, sometimes fibrous.

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24
Q

Anhydrite

A

CaSO₄ - White to gray, granular to massive texture.

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25
Barite
BaSO₄ - White to clear, high-density, tabular crystals.
26
Celestite
SrSO₄ - Pale blue to white, tabular or fibrous.
27
Calcite
CaCO₃ - Colorless to white, rhombohedral cleavage, reacts with acid.
28
Siderite
FeCO₃ - Brown to reddish, vitreous luster.
29
Smithsonite
ZnCO₃ - Often green, botryoidal texture.
30
Aragonite
CaCO₃ - Colorless to white, needle-like crystals.
31
Strontianite
SrCO₃ - White to gray, fibrous or granular.
32
Cerussite
PbCO₃ - Colorless to white, adamantine luster.
33
Dolomite
CaMg(CO₃)₂ - White to gray, rhombohedral cleavage.
34
Malachite
Cu₂CO₃(OH)₂ - Green, fibrous or botryoidal.
35
Azurite
Cu₃(CO₃)₂(OH)₂ - Deep blue, vitreous luster, often with malachite.
36
Apatite
Ca₅(PO₄)₃(OH,F,Cl) - Green, hexagonal crystals.
37
Wavellite
Al₃(PO₄)₂(OH)₃·5H₂O - Radiating needle-like crystals, often green.
38
Turquoise
CuAl₆(PO₄)₄(OH)₈·4H₂O - Blue to green, waxy luster.
39
Vanadinite
Pb₅(VO₄)₃Cl - Red to brown hexagonal crystals.
40
Quartz
SiO₂ - Transparent to translucent, hard, vitreous luster.
41
Jasper
SiO₂·nH₂O - Opaque, red to brown, microcrystalline texture.
42
Chert
SiO₂ - Opaque, often white or gray, microcrystalline.
43
Flint
SiO₂ - Dark-colored, opaque, microcrystalline.
44
Chalcedony
SiO₂ - Waxy luster, translucent, microcrystalline.
45
Onyx
SiO₂ - Black and white banded, vitreous luster.
46
Agate
SiO₂ - Banded, multicolored, microcrystalline.
47
Opal
SiO₂·nH₂O - Iridescent, soft, variable color, amorphous.
48
Alkali Feldspars
(Na,K)AlSi₃O₈ - White to salmon-colored, vitreous luster.
49
Plagioclase Feldspars
(Na,Ca)(Al,Si)₄O₈ - White to gray, striations on cleavage faces.
50
Nepheline
(Na,K)AlSiO₄ - White to gray, greasy luster.
51
Sodalite
Na₈(AlSiO₄)₆Cl₂ - Blue, vitreous luster.
52
Scapolite
Marialite-Meionite solid solution - White to gray, fibrous or granular.
53
Stilbite
NaCa₂Al₅Si₁₃O₃₆·14H₂O - Pearly luster, usually white to pink.
54
Natrolite
Na₂Al₂Si₃O₁₀·2H₂O - White, needle-like crystals.
55
Forsterite
Mg₂SiO₄ - Olive green, vitreous luster.
56
Fayalite
Fe₂SiO₄ - Dark green to brown, vitreous luster.
57
Sphene
CaTiSiO₄ - Wedge-shaped, brown to green, adamantine luster.
58
Pyrope
Mg₃Al₂Si₃O₁₂ - Deep red, vitreous luster.
59
Almandine
Fe₃Al₂Si₃O₁₂ - Deep red to brown, vitreous luster.
60
Spessartine
Mn₃Al₂Si₃O₁₂ - Orange to reddish-brown, vitreous luster.
61
Uvarovite
Ca₃Cr₂Si₃O₁₂ - Emerald green, vitreous luster.
62
Grossular
Ca₃Al₂Si₃O₁₂ - White to green, vitreous luster.
63
Kyanite
Al₂SiO₅ - Blue, bladed crystals, vitreous luster.
64
Andalusite
Al₂SiO₅ - Brownish-pink, columnar crystals.
65
Topaz
Al₂SiO₄(OH,F)₂ - Colorless to yellow, vitreous luster.
66
Epidote
Ca₂FeAl₂Si₃O₁₂(OH) - Pistachio green, fibrous or granular.
67
Tourmaline
(Na,Ca)(Fe,Mg,Al,Li)₃(BO₃)₃Si₆O₁₈(OH)₄ - Black, columnar crystals, vitreous.
68
Beryl
Be₃Al₂Si₆O₁₈ - Green to blue (emerald, aquamarine), hexagonal crystals.
69
Enstatite
MgSiO₃ - Brown to greenish, prismatic crystals.
70
Diopside
CaMgSi₂O₆ - Green, prismatic crystals.
71
Augite
(Ca,Mg,Fe)Si₂O₆ - Black to green, blocky crystals.
72
Tremolite
Ca₂Mg₅Si₈O₂₂(OH)₂ - White to light green, fibrous crystals.
73
Hornblende
(Na,K)Ca₂(Mg,Fe,Al)₅(Si,Al)₈O₂₂(OH)₂ - Dark green to black, blocky crystals.

Minerals and Rocks (1 decks)

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