1 Astrology
1.1 Origin
Austria
Southern and central Africa, Sixth Edition (2006)
1.2 Color
Red, Yellow, Brown, orange, gray, Green
Blue, Green, Blue, Brown
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
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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
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
6.50-7.002.00-2.45
1
7.18
2.5 Fracture
Irregular, Brittle, Conchoidal
Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
On {011}, distinct; on {001}, {013}, indistinct
none
2.7 Mohs Hardness
2.8 Chemical Composition
PbMoO 4Walter Schumann , Gemstones of the world (2001)
Cu2H2Si2O5(OH)4
3 Optical Properties
3.1 Luster
Adamantine, Resinous
Vitreous, Greasy
3.2 Pleochroism
Weak
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
2.280-2.4051.460-1.570
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Transparent
Gemmological Tables (2004) More from other references
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
Not Available
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