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Optic Character
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Biaxial/+
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Gemmological Tables (2004) More from other references
Gems
Handbook of mineralogy (2001)
Translucent
TranslucentHerve Nicolas Lazzarelli
Transparent
TransparentMichael OâDonoghue
TransparentUlrich Henn and Claudio C. Milisenda
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48 Gemstones Found
Gemstones
Dispersion
Refractive Index
Optic Character
Specific Gravity
Mohs Hardness
Talisman
Lehsunia
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Not Available
Not Available
Not Available
Not Available
Not Available
Not Available
Dioptase
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0.04
1.644-1.720
Not Available
3.25-3.35
5
Not Available
Demantoid
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Not Available
1.880-1.890
Not Available
3.77-3.95
6.5
Not Available
Datolite
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0.02
1.621-1.675
Not Available
2.90-3.00
5-5.5
Not Available
Dallasite
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Not Available
1.540
Not Available
2.58-2.91
6.5-7
Not Available
Common Opal
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None
1.37-1.52
Not Available
1.98-2.50
5.5-6.5
Not Available
Clinozoisite
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Not Available
1.670-1.734
Not Available
3.21-3.38
6-7
Not Available
Clinochlore
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Not Available
1.571-1.597
Biaxial/+
2.60-3.02
2-2.5
Not Available
Chrysotile
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Not Available
1.530-1.575
Not Available
2.51-2.63
2.5-4.5
Not Available
Chrysoprase
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None
1.530-1.543
Not Available
2.58-2.64
6.5-7
Not Available
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List of All Gemstones
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Chrome Tremolite
Astrology
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Physica...
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Optical...
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Benefits
Hbnerite
Astrology
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Physica...
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Optical...
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Benefits
Kmmererite
Astrology
|
Physica...
|
Optical...
|
Benefits
» More List of All Gemstones
Gemstone Comparison
»More
Chrome Tremolite Vs Hbnerite
Astrology
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Physica...
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Optical...
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Benefits
Kmmererite Vs Lavrovite
Astrology
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Physica...
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Optical...
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Benefits
Libyan Desert Glass Vs Magn...
Astrology
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Physica...
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Optical...
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Benefits
» More Gemstone Comparison