1 Astrology
1.1 Origin
Madagascar
Russia, Madagascar, Brazil
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Green, Green, White, Blue
1.3 Streak
1.4 For which Rashi?
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
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1.8 Energy
1.9 Deities
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
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
2.6 Cleavage
{0001} good, {10 1 0} parting
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
KAlSi3O8
3 Optical Properties
3.1 Luster
3.2 Pleochroism
O = brownish gray; E = gray
WeakMichael OâDonoghue
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Translucent, Translucent to opaque
3.5 Refractive Index
1.79-1.8071.522-1.530
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not Available0.008-0.010
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Translucent
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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