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Dominant species
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Hypersthene
Chemical
Formula
(Mg,Fe)SiO3
Species
Silicates
Crystal
System
Orthorhombic
Mohs
Scale
5-6
Specific
Gravity
3.4-3.9
Color
gray, brown, or green
Streak
Greyish white greenish
Luster
Vitreous, Silky
Refractive
Index
n = 1.669 - 1.755 n = 1.674 - 1.763 n = 1.680 - 1.773
Hypersthene5280
Hypersthene5280
Hypersthene5278
Hypersthene5278
Hypersthene5274
Hypersthene5274
Hypersthene5270
Hypersthene5270
Hypersthene5268
Hypersthene5268
Hypersthene5262
Hypersthene5262
Hypersthene5258
Hypersthene5258
Hypersthene5253
Hypersthene5253
Hypersthene5248
Hypersthene5248
Hypersthene5246
Hypersthene5246