1 Astrology
1.1 Origin
Italy
Canada, Southern and central Africa
1.2 Color
Green, Green, gray, Brown, Black
Green, Green, Yellow, Red
1.3 Streak
Greenish, White, Greenish, White
White
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
2.58-2.803.28-3.32
1
7.18
2.5 Fracture
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
2.6 Cleavage
{001} Good
{101} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Waxy, Silky, Resinous, Greasy
Vitreous
3.2 Pleochroism
pale greenish yellow.
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3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.530-1.5751.593-1.596
1
3.25
3.6 Optic Character
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3.7 Crystal System
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
3.8 Birefringence
Not Available0.001
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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