1 Astrology
1.1 Origin
Southern and central Africa
Australia
1.2 Color
Violet, Brownish, Black, pink, Red, Reddish
Blue, Green, Greenish, Black
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
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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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven
2.6 Cleavage
[100] [001] perfect
Indistinct parting on [111]
2.7 Mohs Hardness
2.8 Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
StrongArthur Thomas
Not Available
3.3 Dispersion
3.4 Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.85-1.921.790-1.818
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
0.070Not Available
0
0.296
3.9 Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
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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