1 Astrology
1.1 Origin
1.2 Color
Brown, Black
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
1.3 Streak
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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Not Available
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
2.6 Cleavage
Not Available
{100} Good, {010} Good, {001} Good
2.7 Mohs Hardness
2.8 Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
CoAsSAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
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3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.520-1.530Not Available
1
3.25
3.6 Optic Character
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3.7 Crystal System
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Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
3.8 Birefringence
0.010Not 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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