inosilicates Flashcards by Ziah 28

Q

single inosilicates group (1:2)

A

enstatite-ferrosiite series
diopside-hedenbergite series
sodium pyroxene group
pyroxenoid group
others

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Q

enstatite-ferrosilite series (orthorhombic)

A

enstatite
ferrosilite
pigeonite

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Q

enstatite

A

orthorhombic, MgSiO3

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Q

ferrosilite

A

orthorhombic, FeSiO3

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Q

Pigionite

A

orthorhombic, Ca0.25(Mg,Fe)1.75Si2O6

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Q

diopside-hedenbergite series (monoclinic)

A

diopside
hedenbergite
augite

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Q

diopside

A

monoclinic, CaMgSi2O6

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Q

hedenbergite

A

monoclinic, CaFeSi2O6

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Q

augite

A

monoclinic, (Ca,Na)(Mg,Fe,Al) (Si,Al)2O6

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Q

sodium pyroxene group (monoclinic)

A

jadeite
aegerine

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Q

jadeite

A

monoclinic, NaAlSi2O6

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Q

aegerine

A

monoclinic, NaFeSi2O6

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Q

pyroxenoid group (tetragonal)

A

wollastonite
rhodonite
pectolite

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Q

wollastonite

A

tetragonal, CaSiO3

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Q

rhodonite

A

tetragonal, MnSiO3

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Q

pectolite

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A

tetragonal, Ca2NaH(SiO3)3

Q

omphacite

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A

monoclinic, (Ca,Na) (Mg,Fe2,Fe3,Al) Si2O6

Q

spodumene

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A

monoclinic, LiAlSi2O6

Q

hypersthene

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A

orthorhombic, (Mg,Fe)SiO3

Q

cummingtonite series (monoclinic)

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A

cummingtonite
grunerite

Q

double chain inosilicates (4:11)

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A

cummingtonite series
tremolite series
sodium amphibole

Q

cummingtonite

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A

monoclinic, (Mg,Fe)7 Si8O22(OH)2

Q

grunerite

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A

monoclinic, Fe7Si8O22(OH)2

Q

tremolite series (monoclinic)

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A

tremolite
actinolite
hornblende

tremolite

monoclinic, Ca2Mg5Si8O22(OH)2

actinolite

monoclinic, Ca2(Mg,Fe)5 Si8O22 (OH)2

hornblende

monoclinic, (Ca,Na)2-3 (Mg,Fe,Al)5Si6(Si,Al)2O22(OH)2

sodium amphibole group (monoclinic)

1. glaucophane 2. riebeckite

glaucophane

monoclinic, Na2Mg3Al2Si8O22(OH)2

riebeckite

monocliniic, Na2Fe3Fe2Si8O22(OH)2