1 Astrology
1.1 Origin
Madagascar
China, Burma, Pakistan, USA, Southern and central Africa, Brazil
1.2 Color
Brownish, Black, Reddish, Brown, Blue
Green
1.3 Streak
1.4 For which Rashi?
Not Available
Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo, Libra, Taurus, Leo, Virgo
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
Not Available
Protection, Wealth
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
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
2.6 Cleavage
{0001} good, {10 1 0} parting
Poor
2.7 Mohs Hardness
2.8 Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
(Mg,Fe)2SiO4
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Greasy
3.2 Pleochroism
O = brownish gray; E = gray
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
Handbook of mineralogy (2001)
Transparent
3.5 Refractive Index
1.79-1.8071.64-1.69
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.036
0
0.296
3.9 Clarity
Handbook of mineralogy (2001)
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
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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