1 Astrology
1.1 Origin
Madagascar
Italy, India, USA, Canada
1.2 Color
Brownish, Black, Reddish, Brown, Blue
White, Colorless, Green, Yellow, Brown, Brown, Colorless, Yellow, White, Green
1.3 Streak
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
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
Brittle, Uneven, Brittle, Uneven
2.6 Cleavage
{0001} good, {10 1 0} parting
Perfect on {001}
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
NaCa16Si23AlO60(OH)8•64(H2O)
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
O = brownish gray; E = gray
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3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
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3.5 Refractive Index
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.0140
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
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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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