1 Astrology
1.1 Origin
Southern and central Africa
USA
1.2 Color
Black, Brownish, White, Brown
Yellow, Red, Green, Colorless, orange
1.3 Streak
Reddish, Black
Yellow, yellowish orange
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
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
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
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
4.76-5.035.50-5.90
1
7.18
2.5 Fracture
Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
None
On {10 1 0}, perfect; parting on {000 1 }
2.7 Mohs Hardness
2.8 Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Not Available
Subadamantine, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
3.5 Refractive Index
Not Available2.013-2.029
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
Not Available0.016
0
0.296
3.9 Clarity
Translucent
TransparentRobert C. Kammerling
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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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