1 Astrology
1.1 Origin
Not Available
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
1.2 Color
Blue, gray, Black, Blue
Colorless, Brownish, White
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
2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Brittle, Conchoidal
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
2.6 Cleavage
Good on [110] and on [001]
Perfect on {110} and {1 1 0}
2.7 Mohs Hardness
2.8 Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Silky, Fibrous
3.2 Pleochroism
Strong
X: colourless Y: colourless Z: colourless
3.3 Dispersion
3.4 Transparency
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Transparent, Translucent
3.5 Refractive Index
1.606-1.6371.512-1.523
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not Available0.011
0
0.296
3.9 Clarity
Not Available
Transparent
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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