1 Astrology
1.1 Origin
Southern and central Africa, Sixth Edition (2006)
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
1.2 Color
Blue, Green, Blue, Brown
Colorless, Brownish, White
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
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
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1.11 Powers
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
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.00-2.452.20-2.23
1
7.18
2.5 Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), 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
Cu2H2Si2O5(OH)4
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Vitreous, Silky, Fibrous
3.2 Pleochroism
AbsentWalter Schumann
X: colourless Y: colourless Z: colourless
3.3 Dispersion
3.4 Transparency
Opaque
Transparent, Translucent
3.5 Refractive Index
1.460-1.5701.512-1.523
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Gemmological Tables (2004) More from other references
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
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
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