1 Astrology
1.1 Origin
1.2 Color
Brownish, Black, Colorless, White, gray, Blue, Green
Blue, Greenish
1.3 Streak
1.4 For which Rashi?
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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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
2.4 Durability
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2.6 Specific Gravity
2.10 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Uneven
2.11 Cleavage
Good [110] and [021]
{110} Good
2.12 Mohs Hardness
3.5 Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
4 Optical Properties
4.1 Luster
Adamantine, Vitreous, Resinous
Not Available
4.2 Pleochroism
AbsentWalter Schumann
Colorless blueAnthony et al
4.3 Dispersion
4.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
4.5 Refractive Index
1.803-2.0781.639-1.680
1
3.25
4.6 Optic Character
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4.7 Crystal System
Orthorhombic
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4.8 Birefringence
4.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
5 Benefits
5.1 Physical
5.1.1 Neurological
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5.1.2 Cardiovascular
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5.1.3 Respiratory
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5.1.4 Reproductive
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5.1.5 Digestive
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5.2 Psychology
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5.3 Healing
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5.4 Qualities Associated
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