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Red Gemstones
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Optic Character


Clarity


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30 Gemstones Found
Gemstones
Dispersion
Specific Gravity
Mohs Hardness
Refractive Index
Optic Character
Talisman
Almandine
Almandine
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0.03
3.95-4.30
7-7.5
1.770-1.820
Not Available
Not Available
Andesine
Andesine
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0.70
2.65-2.69
6-6.5
1.543-1.564
Biaxial/+
Not Available
Anorthite
Anorthite
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Not Available
2.77
6-6.5
1.575-1.588
Not Available
Not Available
Apophyllite
Apophyllite
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Not Available
2.30-2.50
4.5-5
1.530-1.543
Uniaxial/-
Not Available
Brookite
Brookite
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Not Available
3.87-4.14
5.5-6
2.583-2.741
Not Available
Not Available
Bustamite
Bustamite
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Not Available
3.32-3.43
5.5-6
1.662-1.707
Not Available
Not Available
Cassiterite
Cassiterite
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0.07
6.86-7.03
6-7
1.990-2.105
Not Available
Not Available
Chabazite
Chabazite
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Not Available
2.08-2.16
4.5
1.478-1.490
Not Available
Not Available
Chambersite
Chambersite
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Not Available
3.50
7
1.735-1.745
Not Available
Not Available
Chondrodite
Chondrodite
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Not Available
3.10-3.20
6-6.5
1.589-1.670
Not Available
Not Available
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