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Optic Character


Clarity


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Red Gemstones
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11 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Andesine
Andesine
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0.70
1.543-1.564
Biaxial/+
2.65-2.69
6-6.5
Not Available
Anatase
Anatase
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0.21
2.488-2.562
Not Available
3.82-3.97
5.5-6
Not Available
Cassiterite
Cassiterite
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0.07
1.990-2.105
Not Available
6.86-7.03
6-7
Not Available
Diamond
Diamond
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0.04
2.417-2.419
Not Available
3.50-3.53
10
Leo
Almandine
Almandine
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0.03
1.770-1.820
Not Available
3.95-4.30
7-7.5
Not Available
Garnet
Garnet
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0.02
1.730-1.895
Not Available
3.55-4.33
6.5-7.5
Taurus
Kyanite Cyprine
Kyanite Cyprine
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0.02
1.710-1.735
Biaxial/+
3.55-3.70
4-7
Not Available
Elbaite
Elbaite
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0.02
1.614-1.666
Not Available
2.90-3.10
7
Not Available
Dravite
Dravite
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0.02
1.614-1.666
Not Available
3.03-3.18
7-7.5
Not Available
Imperial Topaz
Imperial Topaz
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0.01
1.609-1.643
Not Available
3.49-3.57
8
Not Available
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