Top 80 minerals Flashcards
1
Q
Quartz
A
SiO2
2
Q
Alkalai Feldspar: albite, anorthite
A
(K,Na) AlSi3O8 albite is Na-spar, anorthite is K-spar
3
Q
Plagioclase and derivatives
A
(Na to K) AlSi3O8 orthoclase, sanidine, microline
4
Q
Biotite
A
K(Mg,Fe)3(AlSi3O10 )(OH)2
5
Q
muscovite
A
K(Al)2(AlSi3O10 )(OH)2
6
Q
Amphibles
A
A0-1B2C5 T8 O22(OH,F)2 Where A = Na, K, Li B = Mg, Fe2+, Ca, Na C = Mg, Fe2+, Al, Fe3+, Ti T=Si, Al
7
Q
Pyroxene
A
(M2)(M1)(Si,Al)2O6 M2 = Ca, Mg, Fe, Na M1 = Mg, Fe, Al, Fe3+
8
Q
Clinopyroxene
A
Ca end member (Ca)(Mg, Fe)Si2O6
9
Q
Orthopyroxene
A
(Mg, Fe)2Si2O6
10
Q
Garnet Group and derivative
A
(Fe,Ca,Mg,Mn)3Al2(SiO4)4
almadine Fe
grossular Ca
pyrope Mg
Spessartine Mn
11
Q
Andalusite
A
Al2SiO5
12
Q
Olivine and derivatives
A
(Mg,Fe)2(SiO4) forsterite = Mg fayalite = Fe
13
Q
Calcite + dolomite
A
CaCO3
CaMg(CO3)2
14
Q
Pyrite
A
FeS2
15
Q
Fluorite
A
CaF2
