Inosilicates Flashcards
Each tetrahedron consists of a silicon atom surrounded by four oxygen atoms
Inosilicates
Chaines silica tetrahedra
inosilicates
cleavage at 90°
Single chain inosilicates
cleavage at 60-120°
double chain inosilicates (amphiboles)
short and stubby ferromagnesian mineral (dark mineral)
single chain inosilicates (pyroxene)
long and slender ferromagnesian mineral (dark mineral)
double chain inosilicates (amphibole)
single chain inosilicate with monoclinic crystal system
clinopyroxene
single chain inosilicate with orthorhombic crystal system
orthopyroxene
(Ca ) (Mg,Fe)2 (Si,Al)2 O6
augite
Mn and Zn Rich variety of augine
jeffersonite
Color of jeffersonite
dark green
Ca Mg (Si2O6)
Diopside
Type of clinopyroxene that are often green and found in metamorphic rocks
diopside
Mg rich variety of diopside
violane
Color of mg rich variety of diopside
deep blue-violet
Na Al (Si2O6)
jadeite
Prized gemstone variety
of jadeite
imperial jade
color of imperial jade
emerald green
Ca Mn(Si2O6)
Johannsenite
Ca Fe (Si2O6)
Hedenbergite