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Mineralogy Quiz > Formulas > Flashcards

Formulas Flashcards

1
Q

What is the difference between Annite, Biotite, Muscovite, and Phlogopite?

A 
Common formula: K\_\_\_(AlSi3O10)(F,OH)2
Annite: Fe3
Biotite: (Mg,Fe)3
Muscovite: Al2
Phlogopite: Mg3
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2
Q

What is the difference between Fayalite and Forsterite?

A

Common formula: ___SiO4
Fayalite: Fe2
Forsterite: Mg2

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3
Q

What is the difference between Orthoclase/Microcline/Sanidine (polymorphs), Albite, Anorthite, and Anorthoclase?

A 
Common formula: \_\_\_AlxSixO8
Orthoclase/Microcline/Sanidine (polymorphs): KAlSi3
Albite: NaAlSi3
Anorthite: ‎CaAl2Si2
Anorthoclase: (Na,K)AlSi3
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4
Q

What is the common formula for the mica solid solution series?

A

K___(AlSi3O10)(F,OH)2

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5
Q

What is the common formula for the olivine solid solution series?

A

___SiO4

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6
Q

What is the common formula for the feldspar solid solution series?

A

___AlxSixO8

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7
Q

What common formula matches this mineral group?

K___(AlSi3O10)(F,OH)2

A

Micas

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8
Q

What common formula matches this mineral group?

___SiO4

A

Olivines

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9
Q

What common formula matches this mineral group?

___AlxSixO8

A

Feldspars

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Mineralogy Quiz (2 decks)

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