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Optic Character


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6 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Sapphire
Sapphire
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0.02
1.762-1.788
Not Available
3.95-4.03
9
Not Available
Ruby
Ruby
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0.02
1.762-1.778
Not Available
3.97-4.05
9
Pisces
Opal
Opal
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None
1.37-1.52
Not Available
1.98-2.25
5-6.5
Not Available
Emerald
Emerald
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0.01
1.565-1.602
Not Available
2.67-2.78
7.5-8
Gemini
Diamond
Diamond
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0.04
2.417-2.419
Not Available
3.50-3.53
10
Leo
Coral
Coral
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None
1.486-1.658
Not Available
2.60-2.70
3-4
Not Available

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