1 Astrology
1.1 Origin
Not Available
Southern and central Africa
1.2 Color
Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Brown, Black, Blue
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
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1.6 Element of Planets
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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
1.10 Not to wear with
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1.11 Powers
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Not Available
3.2 Pleochroism
colorless.
Definite: brown reddish-brownWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent
3.5 Refractive Index
1.525-1.5421.544-1.553
1
3.25
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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