1 Astrology
1.2 Origin
Canada
Southern and central Africa
1.7 Color
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
Green, Brown
1.3 Streak
1.6 For which Rashi?
Not Available
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2.5 Planet
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2.11 Element of Planets
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2.17 Energy
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2.20 How to Wear?
2.21.0 Finger
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2.22.2 Ring Metal
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3.2 Deities
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3.4 Not to wear with
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4.2 Powers
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4.5 Birthstone
4.5.1 Planetary
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4.7.1 Talisman
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5 Physical Properties
5.1 Tenacity
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5.2 Solubility
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5.3 Durability
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5.4 Specific Gravity
6.4 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
6.5 Cleavage
{100} Good, {010} Good, {001} Good
Not Available
6.6 Mohs Hardness
8.8 Chemical Composition
CoAsSAnthony et al , Handbook of mineralogy (2001)
Not Available
9 Optical Properties
9.1 Luster
Not Available
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9.2 Pleochroism
9.3 Dispersion
11.8 Transparency
Gems
Transparent, Translucent
11.9 Refractive Index
Not Available1.48-1.70
1
3.25
11.13 Optic Character
Not Available
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11.14 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Not Available
11.15 Birefringence
Not AvailableNot Available
0
0.296
11.16 Clarity
12 Benefits
12.1 Physical
12.1.1 Neurological
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12.1.2 Cardiovascular
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12.1.3 Respiratory
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12.1.4 Reproductive
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12.1.5 Digestive
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12.2 Psychology
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12.3 Healing
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12.4 Qualities Associated
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