1 Astrology
1.1 Origin
Mexico
Southern and central Africa
1.2 Color
White, Colorless, gray, pink
Brown, Black, Blue
1.3 Streak
Colorless, White
Not Available
1.4 For which Rashi?
Not Available
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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
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Handbook of mineralogy (2001), Difficult, Fibrous
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Silky
Not Available
3.2 Pleochroism
Not Available
Definite: brown reddish-brownWalter Schumann
3.3 Dispersion
3.4 Transparency
Gems, Sixth Edition (2006)
Transparent, Translucent
3.5 Refractive Index
1.581-1.5931.544-1.553
1
3.25
3.6 Optic Character
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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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