1 Astrology
1.1 Origin
Canada
Southern and central Africa
1.2 Color
Colorless, White, Blue, Colorless, gray, Green, Yellow, White
Green
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
Not Available
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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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.42-2.522.77-2.88
1
7.18
2.5 Fracture
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven
2.6 Cleavage
Perfect on {10 1 0}, poor on {0001}
Perfect basal
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
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
Vitreous, Greasy, Pearly
Vitreous, Pearly
3.2 Pleochroism
Not Available
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3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.491-1.5241.552-1.618
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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