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Minerals and Rocks > Mineral_Formula_and_Description_Table > Flashcards

Mineral_Formula_and_Description_Table Flashcards

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
Q

Barite

A

BaSO₄ - White to clear, high-density, tabular crystals.

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26
Q

Celestite

A

SrSO₄ - Pale blue to white, tabular or fibrous.

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27
Q

Calcite

A

CaCO₃ - Colorless to white, rhombohedral cleavage, reacts with acid.

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28
Q

Siderite

A

FeCO₃ - Brown to reddish, vitreous luster.

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29
Q

Smithsonite

A

ZnCO₃ - Often green, botryoidal texture.

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30
Q

Aragonite

A

CaCO₃ - Colorless to white, needle-like crystals.

31
Q

Strontianite

A

SrCO₃ - White to gray, fibrous or granular.

32
Q

Cerussite

A

PbCO₃ - Colorless to white, adamantine luster.

33
Q

Dolomite

A

CaMg(CO₃)₂ - White to gray, rhombohedral cleavage.

34
Q

Malachite

A

Cu₂CO₃(OH)₂ - Green, fibrous or botryoidal.

35
Q

Azurite

A

Cu₃(CO₃)₂(OH)₂ - Deep blue, vitreous luster, often with malachite.

36
Q

Apatite

A

Ca₅(PO₄)₃(OH,F,Cl) - Green, hexagonal crystals.

37
Q

Wavellite

A

Al₃(PO₄)₂(OH)₃·5H₂O - Radiating needle-like crystals, often green.

38
Q

Turquoise

A

CuAl₆(PO₄)₄(OH)₈·4H₂O - Blue to green, waxy luster.

39
Q

Vanadinite

A

Pb₅(VO₄)₃Cl - Red to brown hexagonal crystals.

40
Q

Quartz

A

SiO₂ - Transparent to translucent, hard, vitreous luster.

41
Q

Jasper

A

SiO₂·nH₂O - Opaque, red to brown, microcrystalline texture.

42
Q

Chert

A

SiO₂ - Opaque, often white or gray, microcrystalline.

43
Q

Flint

A

SiO₂ - Dark-colored, opaque, microcrystalline.

44
Q

Chalcedony

A

SiO₂ - Waxy luster, translucent, microcrystalline.

45
Q

Onyx

A

SiO₂ - Black and white banded, vitreous luster.

46
Q

Agate

A

SiO₂ - Banded, multicolored, microcrystalline.

47
Q

Opal

A

SiO₂·nH₂O - Iridescent, soft, variable color, amorphous.

48
Q

Alkali Feldspars

A

(Na,K)AlSi₃O₈ - White to salmon-colored, vitreous luster.

49
Q

Plagioclase Feldspars

A

(Na,Ca)(Al,Si)₄O₈ - White to gray, striations on cleavage faces.

50
Q

Nepheline

A

(Na,K)AlSiO₄ - White to gray, greasy luster.

51
Q

Sodalite

A

Na₈(AlSiO₄)₆Cl₂ - Blue, vitreous luster.

52
Q

Scapolite

A

Marialite-Meionite solid solution - White to gray, fibrous or granular.

53
Q

Stilbite

A

NaCa₂Al₅Si₁₃O₃₆·14H₂O - Pearly luster, usually white to pink.

54
Q

Natrolite

A

Na₂Al₂Si₃O₁₀·2H₂O - White, needle-like crystals.

55
Q

Forsterite

A

Mg₂SiO₄ - Olive green, vitreous luster.

56
Q

Fayalite

A

Fe₂SiO₄ - Dark green to brown, vitreous luster.

57
Q

Sphene

A

CaTiSiO₄ - Wedge-shaped, brown to green, adamantine luster.

58
Q

Pyrope

A

Mg₃Al₂Si₃O₁₂ - Deep red, vitreous luster.

59
Q

Almandine

A

Fe₃Al₂Si₃O₁₂ - Deep red to brown, vitreous luster.

60
Q

Spessartine

A

Mn₃Al₂Si₃O₁₂ - Orange to reddish-brown, vitreous luster.

61
Q

Uvarovite

A

Ca₃Cr₂Si₃O₁₂ - Emerald green, vitreous luster.

62
Q

Grossular

A

Ca₃Al₂Si₃O₁₂ - White to green, vitreous luster.

63
Q

Kyanite

A

Al₂SiO₅ - Blue, bladed crystals, vitreous luster.

64
Q

Andalusite

A

Al₂SiO₅ - Brownish-pink, columnar crystals.

65
Q

Topaz

A

Al₂SiO₄(OH,F)₂ - Colorless to yellow, vitreous luster.

66
Q

Epidote

A

Ca₂FeAl₂Si₃O₁₂(OH) - Pistachio green, fibrous or granular.

67
Q

Tourmaline

A

(Na,Ca)(Fe,Mg,Al,Li)₃(BO₃)₃Si₆O₁₈(OH)₄ - Black, columnar crystals, vitreous.

68
Q

Beryl

A

Be₃Al₂Si₆O₁₈ - Green to blue (emerald, aquamarine), hexagonal crystals.

69
Q

Enstatite

A

MgSiO₃ - Brown to greenish, prismatic crystals.

70
Q

Diopside

A

CaMgSi₂O₆ - Green, prismatic crystals.

71
Q

Augite

A

(Ca,Mg,Fe)Si₂O₆ - Black to green, blocky crystals.

72
Q

Tremolite

A

Ca₂Mg₅Si₈O₂₂(OH)₂ - White to light green, fibrous crystals.

73
Q

Hornblende

A

(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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