1 Astrology
1.1 Origin
1.2 Color
Colorless, White, Blue, Colorless, gray, Green, Yellow, White
Brown, Reddish, Black, Brownish
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
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
2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.42-2.523.77-3.93
1
7.18
2.5 Fracture
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gems, Conchoidal, Brittle
2.6 Cleavage
Perfect on {10 1 0}, poor on {0001}
None
2.7 Mohs Hardness
2.8 Chemical Composition
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Greasy, Pearly
Vitreous
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.491-1.5241.94-1.98
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.012-0.025Not Available
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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