minerals Flashcards
1
Q
olivine
A
mafic mineral group
~Fo90 (forsterite)
-Mg2SiO4
-mg end member of olivine (pure mg)
2
Q
pyroxene
A
mafic mineral group
orthopyroxene
~En90 (Enstatite)
-Mg2Si2O6
-mg end member of orthopyroxene(pure mg)
3
Q
mafic minerals
A
pyroxene
amphibole (hornblede)
olivine
mica
biotite
garnet
tourmaline
plagioclase
Spinel
4
Q
felsic minerals
A
feldspar
muscovite
quartz