Minerals Flashcards

(65 cards)

0
Q

Topaz

A

Nesosilicate

Al₂SiO₄(F,OH)₂

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1
Q

Staurolite

A

Nesosilicate

Fe²⁺₂Al₉O₆(SiO₄)₄(O,OH)₂

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2
Q

Andalusite

A

Nesosilicate
Al₂SiO₅
CN 5,6 (high T low P)

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3
Q

Sillimanite

A

Nesosilicate
Al₂SiO₅
CN 4,6 (low T low P)

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4
Q

Kyanite

A

Nesosilicate
Al₂SiO₅
CN 6 (high P)

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5
Q

What 3 minerals have the formula Al₂SiO₅ ?

A

Andalusite, sillimanite, kyanite

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6
Q

Olivine

A

(Mg,Fe)₂SiO₄

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7
Q

Garnet

A

Nesosilicate
X₃Y₂(SiO₄)₃
Where X is Mg Fe Mn Ca
Y is Al Fe Cr

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8
Q

Titanite

A

Nesosilicate

CaTiSiO₅

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9
Q

Zircon

A

Nesosilicate

ZrSiO₄

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10
Q

Allanite

A

Sorosilicate
A₂M₃(SiO₄)₃(OH)
Where A is Na Ca Ce Th Y La (often rare earth)
Where M is Mg Mn Al Fe³⁺

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11
Q

Piemontite

A

Sorosilicate, epidote group
Ca₂(Al,Mn³⁺,Fe³⁺)₃(SiO₄)(SiO₇)O(OH)
Monoclinic

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12
Q

Zoisite

A

Sorosilicate, epidote group
Ca₂Al₃(SiO₄)(Si₂O₇)O(OH)
Orthorhombic

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13
Q

Clinoizoisite

A

Sorosilicate, epidote group
Ca₂Al₃(SiO4)(Si₂O₇)O(OH)
Monoclinic prismatic

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14
Q

Epidote

A

Sorosilicate
Ca₂(Al Fe)₃(SiO₄)(Si₂O₇)O(OH) alt. Ca₂(Al Fe)₃(SiO₄)₃(OH)
Monoclinic

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15
Q

Vesuvianite

A

Sorosilicate
Ca₁₀Mg₂Al₄(SiO₄)₅(Si₂O₇)₂(OH)₄
Tetragonal

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16
Q

Cordierite

A

Cyclosilicate
(Mg Fe)₂Mg₂Al₄Si₅O₁₈
Orthorhombic

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17
Q

Beryl

A

Cyclosilicate
Be₃Al₂(SiO₃)₆
Hexagonal

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18
Q

Tourmaline

A

Cyclosilicate
(Ca,Na)(Li,Mg,Al)(Al,Fe,Mn)6(BO3)3Si6O18(OH)4
(Borate group is identifier)
Trigonal

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19
Q

Spodumene

A

Inosilicate, pyroxene (single chain)
LiAlSi₂O₆
Monoclinic

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20
Q

Aegerine (aka acmite)

A

Inosilicate, pyroxene (single chain)
NaFeSi₂O₆
Monoclinic

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21
Q

Hedenbergite

A

Inosilicate, pyroxene (single chain)
CaFeSi₂O₆
Monoclinic

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22
Q

Jadeite

A

Inosilicate, pyroxene, single chain

NaAlSi2O6

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23
Q

Diopside

A

Inosilicate, pyroxene (single chain)
CaMgSi₂O₆
Monoclinic

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24
Augite
Inosilicate, pyroxene (single chain) (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)₂O6 Monoclinic
25
Enstatite (hypersthene)
Inosilicate, pyroxene (single chain) Enstatite MgSiO₃ Hypersthene (Mg,Fe)SiO3 Orthorhombic
26
Wollastonite
Inosilicate, pyroxenoid (single chain) CaSiO₃ Triclinic
27
Rhodonite
Inosilicate, pyroxenoid (single chain) MnSiO₃ Triclinic
28
Actinolite
Inosilicate, amphibole (double chain) Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Monoclinic
29
Tremolite
Inosilicate, amphibole (double chain) Ca₂Mg₅Si₈O₂₂(OH)₂ Monoclinic
30
Anthophyllite/ cummingtonite-grunerite
Inosilicate, amphibole (double chain) (Mg,Fe)₇Si₈O₂₂(OH)₂ Orthorhombic Anthophyllite is Mg₇ and grunerite is Fe₇ in the solid solution series. Both are monoclinic.
31
Hornblende
Inosilicate, amphibole (double chain) Ca₂(Mg,Fe,Al)₅(Al,Si)₈O₂₂(OH)₂ Monoclinic
32
Arfvedsonite
Inosilicate, amphibole (double chain) NaNa₂Fe²⁺₄Fe³⁺Si₈O₂₂(OH)₂ Monoclinic
33
Riebeckite
Inosilicate, amphibole (double chain) Na₂Fe²⁺₃Fe³⁺₂Si₈O₂₂(OH)₂ Monoclinic
34
Glaucophane
Inosilicate, amphibole (double chain) Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂ Monoclinic
35
Talc
Tectosilicate, phyllosilicate, clay group Mg₃Si₄O₁₀(OH)₂ Monoclinic
36
Pyrophyllite
Tectosilicate, phyllosilicate, clay group Al₂Si₄O₁₀(OH)₂ Monoclinic
37
Chamosite
Tectosilicate, phyllosilicate Fe²⁺₅Al(AlSi₃O₁₀)(OH)₈ iron rich end of solid solution with clinochlore Monoclinic
38
Clinochlore
Tectosilicate, phyllosilicate Mg₅Al(AlSi₃O₁₀)(OH)₈ - Mg rich end of solid solution with chamosite Monoclinic
39
Margarite
Tectosilicate, phyllosilicate, mica group CaAl₂(Al₂Si₂)O₁₀(OH)₂ Monoclinic
40
Fuchsite
Tectosilicate, phyllosilicate K(Al,Cr)₂(AlSi₃)O₁₀(OH)₂ Monoclinic
41
Paragonite
Tectosilicate, phyllosilicate NaAl₂(AlSi₃)O₁₀(OH)₂ Monoclinic
42
Muscovite
Tectosilicate, phyllosilicate, mica group KAl₂(AlSi₃)O₁₀(OH)₂ Monoclinic
43
Biotite (phlogopite)
Tectosilicate, phyllosilicate, mica group K(Mg,Fe)₃(AlSi₃)O₁₀(OH)₂ Mg rich end member of solid solution Monoclinic
44
Biotite, (annite)
Tectosilicate, phyllosilicate, mica group K(Mg,Fe)₃(AlSi₃)O₁₀(OH)₂ Fe rich end member of the solid solution Monoclinic
45
Serpentine
Tectosilicate, phyllosilicate Mg₃Si₂O₅(OH)₄ Monoclinic
46
Sepiolite
Tectosilicate, phyllosilicate, clay group Mg₄Si₆O₁₅(OH)₂•6H₂O Orthorhombic
47
Illite
Tectosilicate, phyllosilicate, clay group (K,H₃O)(Al,Mg,Fe)₂(Si,Al)₄O₁₀[(OH₂,H₂O)] Monoclinic
48
Vermiculite
Tectosilicate, phyllosilicate, clay group | (Mg²⁺,Fe²⁺,Fe³⁺)₃(Al,Si)₄O₁₀•(OH)₂•4H₂O
49
Montmorillonite
Tectosilicate, phyllosilicate, clay group (Na,Ca).₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂•nH₂O Monoclinic
50
Kaolinite
Tectosilicate, phyllosilicate, clay group Al₂Si₂O₅(OH)₄ Triclinic
51
Plagioclase
Tectosilicate, feldspar group Solid solution: NaAlSi₃O₈ albite to CaAl₂Si₂O₈ anorthite Triclinic
52
Albite
Tectosilicate, feldspar group NaAlSi₃O₈ Triclinic
53
Sanidine
Tectosilicate, feldspar group K(AlSi₃O₈) Monoclinic Sanidine forms at high temps. Lower temp forms are orthoclase and microcline
54
Jasper
Tectosilicate, quartz group | SiO₂ microscopically grained
55
Chert
Tectosilicate, quartz group | SiO₂ microcrystalline
56
Chalcedony
Tectosilicate, quartz group SiO₂ Cryptocrystalline form, very fine intergrowths of quartz and moganite
57
Quartz
Tectosilicate SiO₂ Trigonal
58
Pyrope
Mg3Al2(Si3O12) | nesosilicate, garnet
59
Almandine
Fe3Al2(Si3O12) | nesosilicate, garnet
60
Andradine
Ca3Fe2(Si3O12) | nesosilicate, garnet
61
Spessartine
Mn3Al2(Si3O12) | nesosilicate, garnet
62
Grossular
Ca3Al2(Si3O12) | nesosilicate, garnet
63
Uvarovite
Ca3Cr2(Si3O12) | nesosilicate, garnet
64
Chrysocolla
(Cu,Al)2 H2Si12O5 (OH)4 + nH2O