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Brown Gemstones
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Optic Character


Clarity


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31 Gemstones Found
Gemstones
Dispersion
Specific Gravity
Mohs Hardness
Refractive Index
Optic Character
Talisman
Cassiterite
Cassiterite
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0.07
6.86-7.03
6-7
1.990-2.105
Not Available
Not Available
Cerussite
Cerussite
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0.06
6.46-6.57
3-3.5
1.803-2.078
Not Available
Not Available
Anglesite
Anglesite
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0.04
6.30-6.39
3-3.5
1.877-1.894
Not Available
Not Available
Epidote
Epidote
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0.03
3.25-3.50
6-7
1.729-1.768
Not Available
Not Available
Zoisite
Zoisite
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0.02
3.20-3.50
6-7
1.685-1.707
Not Available
Not Available
Andalusite
Andalusite
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0.02
3.05-3.21
7.5
1.627-1.650
Not Available
Not Available
Amblygonite
Amblygonite
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0.01
2.98-3.10
6
1.578-1.646
Biaxial/+
Not Available
Anhydrite
Anhydrite
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0.01
2.90-2.98
3.5
1.570-1.614
Not Available
Not Available
Manganaxinite
Manganaxinite
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Not Available
3.314
6.5-7
1.678-1.692
Not Available
Not Available
Magnetite
Magnetite
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Not Available
5.2
5.5-6.5
2.42
Not Available
Not Available
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