1 Astrology
1.1 Origin
Southern and central Africa
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
1.2 Color
White, Violet, Blue, Yellow, Brownish, Colorless, Greenish
Violet, Blue
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
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
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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
Not Available
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{???} Distinct, {???} Indistinct
Not Available
1.7 Mohs Hardness
1.8 Chemical Composition
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
2 Optical Properties
2.1 Luster
Vitreous, Resinous
Vitreous
2.2 Pleochroism
Not Available
Strong trichroism: colorless to yellowish
2.3 Dispersion
2.4 Transparency
Transparent, Translucent
Transparent
2.5 Refractive Index
1.556-1.6001.542-1.578
1
3.25
2.6 Optic Character
2.7 Crystal System
Not Available
Not Available
2.8 Birefringence
0.024-0.0370.008-0.012
0
0.296
2.9 Clarity
3 Benefits
3.1 Physical
3.1.1 Neurological
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3.1.2 Cardiovascular
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3.1.3 Respiratory
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3.1.4 Reproductive
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3.1.5 Digestive
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3.2 Psychology
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3.3 Healing
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3.4 Qualities Associated
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