1 Astrology
1.1 Origin
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brownish, Black, Reddish, Brown, Blue
1.3 Streak
Not Available
Reddish, Brown
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
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
Not Available
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1.9 Deities
Not Available
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1.10 Not to wear with
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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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
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2.4 Specific Gravity
2.5 Fracture
Not Available
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
None
{0001} good, {10 1 0} parting
2.7 Mohs Hardness
2.8 Chemical Composition
Ca3Al2Si3O12
(Ca,Ce)(Al,Ti,Mg)12O19
3 Optical Properties
3.1 Luster
Vitreous, Adamantine
Vitreous
3.2 Pleochroism
Not Available
O = brownish gray; E = gray
3.3 Dispersion
3.4 Transparency
Transparent
Handbook of mineralogy (2001)
3.5 Refractive Index
1.738-1.7451.79-1.807
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
Handbook of mineralogy (2001)
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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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