2 Astrology
1.1 Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Southern and central Africa
1.5 Color
Green, Colorless, gray, Yellow, White
White, Blue, gray, Green, Brown
1.7 Streak
1.10 For which Rashi?
1.13 Planet
1.16 Element of Planets
1.19 Energy
1.22 How to Wear?
1.22.1 Finger
Not Available
Not Available
1.0.1 Ring Metal
Not Available
Not Available
1.3 Deities
1.6 Not to wear with
Not Available
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1.10 Powers
Not Available
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1.14 Birthstone
1.15.2 Planetary
Not Available
Not Available
1.0.1 Talisman
Not Available
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3 Physical Properties
3.2 Tenacity
3.8 Solubility
Not Available
Not Available
3.14 Durability
Not Available
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3.20 Specific Gravity
2.80-2.952.30-2.40
1
7.18
5.9 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
5.11 Cleavage
Distinct on [001]
{110} Perfect
5.12 Mohs Hardness
8.4 Chemical Composition
Ca2Al2Si3O12(OH)
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
10 Optical Properties
10.1 Luster
10.3 Pleochroism
AbsentWalter Schumann
Not Available
10.5 Dispersion
10.14 Transparency
10.15 Refractive Index
1.611-1.673Not Available
1
3.25
10.25 Optic Character
Not Available
Not Available
10.28 Crystal System
Orthorhombic
Not Available
10.29 Birefringence
0.021-0.033Not Available
0
0.296
13.2 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
14 Benefits
14.1 Physical
14.1.1 Neurological
Not Available
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14.1.4 Cardiovascular
Not Available
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14.2.1 Respiratory
Not Available
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14.3.1 Reproductive
Not Available
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14.4.1 Digestive
Not Available
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14.5 Psychology
Not Available
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14.6 Healing
Not Available
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14.7 Qualities Associated
Not Available
Not Available