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Dominant species
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Kosmochlor
Chemical
Formula
NaCrSi2O6
Species
Silicates
Crystal
System
Monoclinic
Mohs
Scale
6
Color
emerald green
Streak
pale green
Refractive
Index
n = 1.766 n = 1.781
Cleavage
Distinct/Good
Kosmochlor7884
Kosmochlor7884
Kosmochlor7883
Kosmochlor7883
Kosmochlor7882
Kosmochlor7882
Kosmochlor7881
Kosmochlor7881