1 Astrology
1.1 Origin
Southern and central Africa, Orange, blue, Orange, blue
Sri Lanka
1.2 Color
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
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
1.10 Not to wear with
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1.11 Powers
Healing, Protection
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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
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2.3 Durability
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2.4 Specific Gravity
2.60-2.703.69-3.81
1
7.18
2.5 Fracture
Irregular, Irregular, Gemstones of the world (2001)
Not Available
2.6 Cleavage
Not Available
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2.7 Mohs Hardness
2.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
BeAl 2O 4Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
AbsentWalter Schumann
Not Available
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.486-1.6581.739-1.770
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.160-0.1720.007-0.013
0
0.296
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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