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Grey Gemstones

11 Gemstones Found

Dispersion
0.02
Refractive Index
1.613-1.628
Optic Character
-
Specific Gravity
3.00
Mohs Hardness
5-6
Talisman
-


Dispersion
0.17
Refractive Index
1.525-1.686
Optic Character
-
Specific Gravity
2.93-2.96
Mohs Hardness
3.5-4
Talisman
-


Dispersion
0.02
Refractive Index
1.656-1.704
Optic Character
Biaxial/+
Specific Gravity
3.26-3.36
Mohs Hardness
6.5-7
Talisman
-



Dispersion
0.02
Refractive Index
1.599-1.637
Optic Character
-
Specific Gravity
2.90-3.20
Mohs Hardness
5-6
Talisman
-


Dispersion
0.02
Refractive Index
1.530-1.575
Optic Character
-
Specific Gravity
2.51-2.63
Mohs Hardness
2.5-4.5
Talisman
-


Dispersion
0.02
Refractive Index
1.571-1.597
Optic Character
Biaxial/+
Specific Gravity
2.60-3.02
Mohs Hardness
2-2.5
Talisman
-

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