Mineralogy Flashcards
1
Q
Olivine group
A
Forsterite, Fayalite
2
Q
Forsterite
A
Mg2SiO4
3
Q
Fayalite
A
Fe2SiO4
4
Q
Garnet group
A
pyrope, almandine, grossular, spessartine, andradite, uvarovite
4
Q
Pyrope
A
Mg3Al2(SiO4)3
5
Q
Almandine
A
Fe3Al2(SiO4)3
5
Q
Spessartine
A
Mn3Al2(SiO4)3
6
Q
Grossular
A
Ca3Al2(SiO4)3
7
Q
Andradite
A
Ca3Fe2(SiO4)3
8
Q
Uvarovite
A
Ca3Cr2(SiO4)3
9
Q
Zircon
A
ZrSiO4
10
Q
Beryl
A
Be3Al2Si6O18
11
Q
Cordierite
A
(Mg,Fe)2 Al4Si5O18
12
Q
Tourmaline
A
XY3Z6 (T6O18) (BO3)3 V3W
13
Q
Cyclosilicates
A
Include offset rings of silica tetrahedra connected by oxygen, charge balanced by outer elements
14
Q
Pyroxene Group (single chain)
A
Orthopyroxene, Clinopyroxene, Jadeite
15
Q
Orthopyroxene
A
(Mg,Fe)2Si2O6
16
Q
Clinopyroxene
A
Ca(Mg,Fe)2Si2O6
17
Q
Jadeite
A
NaAlSi2O6
