1 Astrology
1.1 Origin
Italy
Brazil, Southern and central Africa, Sri Lanka
1.2 Color
Green, Green, gray, Brown, Black
Red, gray
1.3 Streak
Greenish, White, Greenish, White
Red, Black
1.4 For which Rashi?
Not Available
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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
Not Available
Insoluble in acids
2.3 Durability
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2.4 Specific Gravity
2.58-2.804.20-4.30
1
7.18
2.5 Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{001} Good
{110} good, 100 moderate, parting on {092} and {011}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Waxy, Silky, Resinous, Greasy
Adamantine
3.2 Pleochroism
pale greenish yellow.
Weak to distinct brownish red-green-yellow
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.530-1.5752.609-2.903
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
tetragonal
3.8 Birefringence
Not Available0.296
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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