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Gemstones


Gems Found in USA

11 Gemstones Found

Dispersion
Not Available
Specific Gravity
Not Available
Mohs Hardness
3-3.5
Refractive Index
Not Available
Optic Character
Not Available
Talisman
Not Available


Dispersion
Not Available
Specific Gravity
2.55-2.70
Mohs Hardness
6.5-7
Refractive Index
1.530-1.543
Optic Character
Not Available
Talisman
Not Available


Dispersion
Not Available
Specific Gravity
3.32-3.47
Mohs Hardness
Not Available
Refractive Index
1.700-1.725
Optic Character
Not Available
Talisman
Not Available



Dispersion
Not Available
Specific Gravity
1.98-2.50
Mohs Hardness
5.5-6.5
Refractive Index
1.37-1.52
Optic Character
Not Available
Talisman
Not Available


Dispersion
None
Specific Gravity
1.65-1.99
Mohs Hardness
2-2.5
Refractive Index
1.491-1.520
Optic Character
Not Available
Talisman
Not Available


Dispersion
0.03
Specific Gravity
3.95-4.30
Mohs Hardness
7-7.5
Refractive Index
1.770-1.820
Optic Character
Not Available
Talisman
Not Available

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