1 Astrology
1.1 Origin
Not Available
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
1.2 Color
Not Available
Violet, Blue
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
Venus, Moon
Not Available
1.6 Element of Planets
Earth, Water
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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
1.9 Deities
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
Not Available2.56-2.66
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
Not Available
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Strong trichroism: colorless to yellowish
3.3 Dispersion
3.4 Transparency
Not Available
Transparent
3.5 Refractive Index
Not Available1.542-1.578
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
Not Available0.008-0.012
0
0.296
3.9 Clarity
Not Available
Transparent
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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