cyclosilicate Flashcards by Ziah 28

Q

cyclosilicates

A

3 member ring
6 member ring
others

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Q

3 member ring:

Benitoite

A

hexagonal, BaTi(Si3O9)

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Q

6 member ring

A

beryl
bazzite
sugilite

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Q

beryl

A

hexagonal, Be3Al2 (Si6O18)

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Q

bazzite

A

hexagonal, Be3Sc2 (Si6O18)

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Q

sugilite

A

hexagonal, KNa2(Fe,Mn,Al)2 Li3 Si12O30

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Q

cordierite

A

orthorhombic, (Mg,Fe)2 Al4Si5O18 * nH2O

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Q

axinite

A

triclinic, (Ca,Fe,Mn)3 Al2BSi4O16H

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Q

tourmaline

A

hexagonal, —–

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Q

buergerite

A

hexagonal, NaFe3Al6(Si6O18)(Bo3)3(OH)3(OH)

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Q

schorl

A

hexagonal, NaFe3Al6(Si6O18)(Bo3)3(OH)3(OH)

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