1 Astrology
1.1 Origin
Madagascar
Australia, Burma Widespread Canada
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Yellow, Grey, Blue, Brown, Red, Yellow, Green, orange
1.3 Streak
Reddish, Brown
Not Available
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
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
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Not Available
2.6 Cleavage
{0001} good, {10 1 0} parting
None
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Au
3 Optical Properties
3.1 Luster
3.2 Pleochroism
O = brownish gray; E = gray
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3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Opaque
3.5 Refractive Index
1.79-1.807Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Opaque
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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