1 Astrology
1.1 Origin
USA, Southern and central Africa
Canada
1.2 Color
Brown, Green, White, gray, Blue, Yellow
Brown, Reddish, Black, Brownish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
4.00-4.653.77-3.93
1
7.18
2.5 Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Gems, Conchoidal, Brittle
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous
3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.620-1.8501.94-1.98
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.223-0.227Not Available
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
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4.4 Qualities Associated
Not Available
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