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Blue 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
Adamite
Adamite
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Not Available
4.32-4.48
3.5
1.708-1.722
Biaxial/+
Not Available
Anatase
Anatase
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0.21
3.82-3.97
5.5-6
2.488-2.562
Not Available
Not Available
Andean Opal
Andean Opal
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Not Available
Not Available
Not Available
Not Available
Not Available
Not Available
Anhydrite
Anhydrite
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0.01
2.90-2.98
3.5
1.570-1.614
Not Available
Not Available
Anyolite
Anyolite
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Not Available
3.20-3.50
6-7
1.695
Not Available
Not Available
Azurmalachite
Azurmalachite
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Not Available
3.70-3.95
3.5-4
1.655-1.909
Biaxial/+
Not Available
Beryl
Beryl
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0.01
2.60-2.90
7.5-8
1.560-1.604
Not Available
Not Available
Black Opal
Black Opal
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None
1.97-2.22
6-6.5
1.370-1.470
Not Available
Not Available
Bloodstone Heliotrope
Bloodstone Heliotrope
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Not Available
2.55-2.70
6.5-7
1.530-1.543
Not Available
Not Available
Blue Beryl Maxixe
Blue Beryl Maxixe
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Not Available
2.60-2.90
7.5-8
1.560-1.604
Not Available
Not Available
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