1 Astrology
1.1 Origin
Canada
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
1.2 Color
Brown, Reddish, Black, Brownish
Colorless, Brownish, White
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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1.6 Element of Planets
Not Available
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1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
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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
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
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2.4 Specific Gravity
3.77-3.932.20-2.23
1
7.18
2.5 Fracture
Gems, Conchoidal, Brittle
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
2.6 Cleavage
None
Perfect on {110} and {1 1 0}
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Silky, Fibrous
3.2 Pleochroism
Not Available
X: colourless Y: colourless Z: colourless
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.94-1.981.512-1.523
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.011
0
0.296
1.5 Clarity
2 Benefits
2.1 Physical
2.1.1 Neurological
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2.1.2 Cardiovascular
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2.1.3 Respiratory
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2.1.4 Reproductive
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2.1.5 Digestive
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2.2 Psychology
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2.3 Healing
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2.4 Qualities Associated
Not Available
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