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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
Holmquistite
Holmquistite
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Not Available
2.95-3.13
5-6
1.622-1.666
Not Available
Not Available
Hypersthene
Hypersthene
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Not Available
3.45-3.55
5-6
1.673-1.731
Not Available
Not Available
Melanite
Melanite
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0.06
3.70-4.10
6.5-7
1.855-1.895
Not Available
Not Available
Proustite
Proustite
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Not Available
5.51-5.64
2.5
2.792-3.087
Not Available
Not Available
Pyrargyrite
Pyrargyrite
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Not Available
5.85
2.5-3
2.881-3.084
Not Available
Not Available
Schorl
Schorl
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Not Available
3.18-3.22
Not Available
1.635-1.672
Not Available
Not Available
Sheen Obsidian
Sheen Obsidian
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Not Available
2.33-2.50
5-5.5
1.450-1.550
Not Available
Not Available
Snowflake Obsidian
Snowflake Obsidian
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Not Available
2.33-2.50
5-5.5
1.450-1.550
Not Available
Not Available
Xenotime
Xenotime
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Not Available
4.30-5.10
4-5
1.720-1.827
Not Available
Not Available
Nacre
Nacre
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Not Available
Not Available
Not Available
Not Available
Not Available
Not Available
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