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Optic Character
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Color grading system
Gemmological Tables (2004) More from other references
Gems
Handbook of mineralogy (2001)
Opaque
Translucent
TranslucentHerve Nicolas Lazzarelli
TranslucentWalter Schumann
Transparent
TransparentGemdat.org
TransparentMichael OâDonoghue
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann
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Dispersion
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100+ Gemstones Found
Gemstones
?
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
?
Its the gem’s ability to resist scratching of its surface.
Mohs Hardness
?
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
?
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
Albite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Add to compare
1.00
2.60-2.65
6-6.5
1.525-1.542
Not Available
Not Available
Sphalerite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Add to compare
0.16
3.95-4.10
3.5-4
2.368-2.371
Not Available
Not Available
Moissanite
Astrology
|
Physical ...
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Optical P...
|
Benefits
Add to compare
0.10
3.17-3.24
9-9.5
2.648-2.691
Not Available
Not Available
Andradite
Astrology
|
Physical ...
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Optical P...
|
Benefits
Add to compare
0.06
3.70-4.10
6.5-7
1.88-1.94
Not Available
Not Available
Titanite Sphene
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Add to compare
0.05
3.52-3.54
5-5.5
1.843-2.110
Not Available
Not Available
Anglesite
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Add to compare
0.04
6.30-6.39
3-3.5
1.877-1.894
Not Available
Not Available
Zircon
Astrology
|
Physical ...
|
Optical P...
|
Benefits
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0.04
3.93-4.73
7.5
1.810-2.024
Not Available
Not Available
Dioptase
Astrology
|
Physical ...
|
Optical P...
|
Benefits
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0.04
3.25-3.35
5
1.644-1.720
Not Available
Not Available
Garnet
Astrology
|
Physical ...
|
Optical P...
|
Benefits
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0.02
3.55-4.33
6.5-7.5
1.730-1.895
Not Available
Taurus
Grossular
Astrology
|
Physical ...
|
Optical P...
|
Benefits
Add to compare
0.02
3.55-3.73
7-7.5
1.730-1.760
Not Available
Not Available
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List of All Gemstones
»More
Chrome Tremolite
Astrology
|
Physica...
|
Optical...
|
Benefits
Hbnerite
Astrology
|
Physica...
|
Optical...
|
Benefits
Kmmererite
Astrology
|
Physica...
|
Optical...
|
Benefits
» More List of All Gemstones
Gemstone Comparison
»More
Chrome Tremolite Vs Hbnerite
Astrology
|
Physica...
|
Optical...
|
Benefits
Chrome Tremolite Vs Kmmererite
Astrology
|
Physica...
|
Optical...
|
Benefits
Hbnerite Vs Kmmererite
Astrology
|
Physica...
|
Optical...
|
Benefits
» More Gemstone Comparison
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