1 Astrology
1.1 Origin
Madagascar
Southern and central Africa, green
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Green
1.3 Streak
1.4 For which Rashi?
Not Available
Capricorn, Scorpio, Capricorn, Scorpio, Capricorn, Scorpio
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones (2009), Uneven
2.6 Cleavage
{0001} good, {10 1 0} parting
Perfect on { 2 01} fair on {010}
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Cu2CO3(OH)2
3 Optical Properties
3.1 Luster
Vitreous
Adamantine, Vitreous, Silky, Fibrous
3.2 Pleochroism
O = brownish gray; E = gray
Not Available
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Opaque
3.5 Refractive Index
1.79-1.8071.655-1.909
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.254
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available