Origin
Southern and central Africa
Mexico, USA, Spain
Color
Black, Brownish, White, Brown
Green, Brown, Yellow, Red, Black
Streak
Reddish, Black
Brownish, White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
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-
Talisman
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-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.76-5.033.95-4.10
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
{110} Perfect, {110} Perfect, {110} Perfect
Mohs Hardness
5.5-6.53.5-4
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine
Pleochroism
-
-
Dispersion
0.030.16
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
-99992.368-2.371
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Insight
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Healing
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Physical healing
Qualities Associated
Grounding
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