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Optic Character


Clarity


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7 Gemstones Found
Gemstones
Dispersion
Specific Gravity
Mohs Hardness
Refractive Index
Optic Character
Talisman
AMBER
Amber
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Not Available
1.05-1.10
2-2.5
1.539-1.545
Not Available
Not Available
Ammolite
Ammolite
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Not Available
2.75-2.80
4
1.520-1.670
Not Available
Not Available
Coral
Coral
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None
2.60-2.70
3-4
1.486-1.658
Not Available
Not Available
Jet
Jet
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None
1.19-1.35
2.5-4
1.640-1.680
Not Available
Not Available
Pearl
Pearl
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None
2.60-2.85
2.5-4.5
1.52-1.66
Not Available
Not Available
Abalone
Abalone
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Not Available
Not Available
2.5-3
Not Available
Not Available
Not Available
Precious coral
Precious coral
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Not Available
Not Available
3.5
Not Available
Not Available
Not Available

List of All Gemstones »More

» More List of All Gemstones

Gemstone Comparison »More

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