1 Astrology
1.1 Origin
Southern and central Africa
Canada, USA, Southern and central Africa
1.2 Color
Brown, Red, Green, Blue, Violet
Green
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Not Available
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1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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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
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2.3 Durability
Not Available
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2.4 Specific Gravity
1.25-1.353.25-3.50
1
7.18
2.5 Fracture
Not Available
Uneven, Uneven, Gemstones of the world (2001) More from other references
2.6 Cleavage
Not Available
Not Available
2.7 Mohs Hardness
Not AvailableNot Available
2
10
2.8 Chemical Composition
Not Available
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004)
Transparent
3.5 Refractive Index
1.540-1.5601.700-1.725
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Not Available
3.8 Birefringence
Not Available0.002-0.012
0
0.296
3.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
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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