1 Astrology
1.1 Origin
Canada, Southern and central Africa
Ethiopia, Mexico, Honduras, Guatemala, Brazil, USA, Canada, Madagascar, Tanzania, Czech, Slovakia
1.2 Color
Green, Green, Yellow, Red
Black, Red
1.3 Streak
1.4 For which Rashi?
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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
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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
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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
3.28-3.32Not Available
1
7.18
2.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
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2.6 Cleavage
{101} Distinct
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2.7 Mohs Hardness
2.8 Chemical Composition
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
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3 Optical Properties
3.1 Luster
3.2 Pleochroism
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3.3 Dispersion
3.4 Transparency
Transparent
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3.5 Refractive Index
1.593-1.5961.42-1.47
1
3.25
3.6 Optic Character
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3.7 Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
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3.8 Birefringence
0.001Not Available
0
0.296
3.9 Clarity
Transparent
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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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