1 Astrology
1.1 Origin
1.2 Color
Blue
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
1.3 Streak
Greenish, Blue, Green
White, Brownish, Brownish, White
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
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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
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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
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
2.6 Cleavage
[001] perfect
{100} imperfect, {110} indistinct; partings on {111} or {011}
2.7 Mohs Hardness
2.8 Chemical Composition
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Adamantine, Greasy
3.2 Pleochroism
Not Available
Pleochroic haloes have been observed. Dichroic in yellow
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
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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