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Gems Found In Africa
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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
Agate Opal
Agate Opal
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None
1.98-2.50
5.5-6.5
1.37-1.52
Not Available
Not Available
Bikolite
Bikolite
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Not Available
2.34-2.51
Not Available
1.490-1.520
Not Available
Not Available
Calcite Satin Spar
Calcite Satin Spar
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Not Available
2.67-2.73
Not Available
1.486-1.658
Not Available
Not Available
Catapleiite
Catapleiite
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Not Available
2.72
5-6
1.590-1.629
Not Available
Not Available
Chrome Pyrope
Chrome Pyrope
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Not Available
3.62-3.80
7-7.5
1.720-1.740
Not Available
Not Available
Cristinite
Cristinite
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Not Available
2.6-3.6
6.5-7
1.61-1.63
Not Available
Not Available
Hbnerite
Hbnerite
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Not Available
7.12-7.18
4-4.5
2.17-2.32
Not Available
Not Available
Hydrophane
Hydrophane
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Not Available
1.98-2.50
5.5-6.5
1.37-1.52
Not Available
Not Available
Johachidolite
Johachidolite
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Not Available
3.45
7.5
1.717-1.724
Not Available
Not Available
Libyan Desert Glass
Libyan Desert Glass
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Not Available
2
Not Available
1.46-1.465
Not Available
Not Available
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