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Black Gemstones
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Optic Character


Clarity


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53 Gemstones Found
Gemstones
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The colors created by dispersion produce little fires like visualizations within the gem, thus create a "fire" effect.
Dispersion
?
Its a measure of heaviness of the gemstone, thus more the gravity, heavier is the stone.
Specific Gravity
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Its the gem’s ability to resist scratching of its surface.
Mohs Hardness
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Gemstones with a higher RI seem more brilliant since more light is returned back out of the top or crown of the stone.
Refractive Index
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Optical properties influence the cleavage in the gemstone crystal. This is an important parameter while shaping a gemstone.
Optic Character
?
Talisman are believed to bring good luck to one who possesses it. Whose fortune do this gemstone change?
Talisman
Cassiterite
Cassiterite
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.07
6.86-7.03
6-7
1.990-2.105
Not Available
Not Available
Melanite
Melanite
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.06
3.70-4.10
6.5-7
1.855-1.895
Not Available
Not Available
Cerussite
Cerussite
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.06
6.46-6.57
3-3.5
1.803-2.078
Not Available
Not Available
Smoky Quartz
Smoky Quartz
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.01
2.65
7
1.544-1.553
Not Available
Not Available
Morion
Morion
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.01
2.65
Not Available
1.544-1.553
Not Available
Not Available
Quartz
Quartz
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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0.01
2.65
7
1.544-1.553
Not Available
Not Available
0.01
2.65
7
1.544-1.553
Not Available
Not Available
Schorl
Schorl
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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Not Available
3.18-3.22
Not Available
1.635-1.672
Not Available
Not Available
Schorlomite
Schorlomite
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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Not Available
3.77-3.93
7-7.5
1.94-1.98
Not Available
Not Available
Serendibite
Serendibite
Astrology  |  Physical ...  |  Optical P...  |  Benefits
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Not Available
3.43-3.44
6.5-7
1.696-1.702
Not Available
Not Available
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