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Gems Found in South Asia
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Optic Character
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Biaxial/+
Uniaxial/-
Clarity
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Color grading system
Gemmological Tables (2004)
Translucent
Transparent
Transparent to translucent
TransparentMichael OâDonoghue
TransparentUlrich Henn and Claudio C. Milisenda
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Dispersion
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48 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Pyrope
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0.02
1.720-1.756
Not Available
3.62-3.87
7-7.5
Not Available
Powellite
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Not Available
1.974-1.984
Not Available
4.23
3.5-4
Not Available
Pleonaste
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Not Available
1.780
Not Available
3.80
8
Not Available
Phenakite
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0.02
1.650-1.695
Not Available
2.90-2.98
7.5-8
Not Available
Petalite
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0.01
1.502-1.523
Not Available
2.40
6-6.5
Not Available
Pargasite
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Not Available
1.613-1.663
Not Available
3.04-3.26
5-6
Not Available
Padparadscha
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Not Available
1.757-1.780
Not Available
3.95-4.10
9
Not Available
Muscovite
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Not Available
1.552-1.618
Not Available
2.78-2.88
2-3
Not Available
Morganite
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Not Available
1.573-1.600
Not Available
2.71-2.90
7.5-8
Not Available
Melanite
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0.06
1.855-1.895
Not Available
3.70-4.10
6.5-7
Not Available
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List of All Gemstones
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Chrome Tremolite
Astrology
|
Physica...
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Optical...
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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...
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Optical...
|
Benefits
Kmmererite Vs Lavrovite
Astrology
|
Physica...
|
Optical...
|
Benefits
Libyan Desert Glass Vs Magn...
Astrology
|
Physica...
|
Optical...
|
Benefits
» More Gemstone Comparison