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Gems for Gemini
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Optic Character
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Color grading system
Gemmological Tables (2004) More from other references
Gems
Translucent
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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14 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Serpentine
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None
1.560-1.571
Not Available
2.44-2.62
2.5-5.5
Not Available
Sapphire
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0.02
1.762-1.788
Not Available
3.95-4.03
9
Not Available
Pearl
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None
1.52-1.66
Not Available
2.60-2.85
2.5-4.5
Not Available
Lazulite
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0.01
1.604-1.646
Not Available
3.04-3.17
5.5
Not Available
Jade
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None
1.600-1.688
Not Available
2.90-3.38
6-7
Not Available
Howlite
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Not Available
1.583-1.608
Not Available
2.45-2.58
3-3.5
Not Available
Goshenite
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0.01
1.562-1.615
Not Available
2.60-2.90
7.5-8
Not Available
Emerald
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0.01
1.565-1.602
Not Available
2.67-2.78
7.5-8
Gemini
Crystal Quartz
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Not Available
Not Available
Not Available
Not Available
7
Not Available
Chrome Diopside
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Not Available
1.668-1.703
Not Available
3.22-3.40
5-6
Not Available
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List of All Gemstones
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Chrome Tremolite
Astrology
|
Physica...
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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
Kmmererite Vs Lavrovite
Astrology
|
Physica...
|
Optical...
|
Benefits
Libyan Desert Glass Vs Magn...
Astrology
|
Physica...
|
Optical...
|
Benefits
» More Gemstone Comparison