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Black Gemstones

11 Gemstones Found

Dispersion
Not Available
Specific Gravity
Not Available
Mohs Hardness
Not Available
Refractive Index
Not Available
Optic Character
Not Available
Talisman
Not Available


Dispersion
Not Available
Specific Gravity
Not Available
Mohs Hardness
5.5-6.5
Refractive Index
1.42-1.47
Optic Character
Not Available
Talisman
Not Available


Dispersion
Not Available
Specific Gravity
2.95-3.13
Mohs Hardness
5-6
Refractive Index
1.622-1.666
Optic Character
Not Available
Talisman
Not Available



Dispersion
Not Available
Specific Gravity
3.45-3.55
Mohs Hardness
5-6
Refractive Index
1.673-1.731
Optic Character
Not Available
Talisman
Not Available


Dispersion
0.06
Specific Gravity
3.70-4.10
Mohs Hardness
6.5-7
Refractive Index
1.855-1.895
Optic Character
Not Available
Talisman
Not Available


Dispersion
Not Available
Specific Gravity
5.51-5.64
Mohs Hardness
2.5
Refractive Index
2.792-3.087
Optic Character
Not Available
Talisman
Not Available

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