Origin
Southern and central Africa
USA
Color
Black, Brownish, White, Brown
Black, Violet, pink, Reddish, Brown, orange
Streak
Reddish, Black
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For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
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Solubility
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Durability
-
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Specific Gravity
4.76-5.034.06-4.08
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
None
{???} Perfect
Mohs Hardness
5.5-6.54.5-5
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous
Pleochroism
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Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Translucent
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Refractive Index
-99991.720-1.746
1
3.25
👆🏻
Optic Character
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Crystal System
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monoclinic
Birefringence
-99990.026
0
0.296
👆🏻
Clarity
Translucent
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Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
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Digestive
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Psychology
Insight
Optimism
Healing
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Emotional healing
Qualities Associated
Grounding
Peace