Origin
Southern and central Africa
China, Kenya, Russia, Sri Lanka, Zambia
Color
Black, Brownish, White, Brown
Red, pink, Black, orange
Streak
Reddish, Black
White
For which Rashi?
-
-
Planet
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-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble in water
Durability
-
-
Specific Gravity
4.76-5.033.62-3.87
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
None
Mohs Hardness
5.5-6.57-7.5
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
-
Greasy, Vitreous
Pleochroism
-
None
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
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-
Respiratory
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Good
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Passion
Healing
-
Emotional healing
Qualities Associated
Grounding
Energy