1 Astrology
1.1 Origin
Southern and central Africa
Czech
1.2 Color
Greenish, Blue, Colorless, Green, Yellow
Brownish, Black, Colorless, White, gray, Blue, Green
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.17-3.246.46-6.57
1
7.18
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
2.6 Cleavage
(0001) indistinct
Good [110] and [021]
2.7 Mohs Hardness
2.8 Chemical Composition
SiCArthur Thomas , Gemstones (2009)
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Adamantine
Adamantine, Vitreous, Resinous
3.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
3.5 Refractive Index
2.648-2.6911.803-2.078
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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