Origin
USA
Southern and central Africa
Color
Brown, Red, Black, Brownish
Colorless, Brown, Greenish, gray
Streak
Reddish, Brown
White
For which Rashi?
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-
Planet
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-
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
-
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Birthstone
Planetary
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Talisman
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Tenacity
-
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Solubility
-
-
Durability
-
-
Specific Gravity
5.05-5.222.62-2.67
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None
From the Greek, oligos and kasein, little cleavage.
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous
Pleochroism
-
-
Dispersion
0.190.01
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.538-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-
Birefringence
-99990.010
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
Creativity
Harmony
Healing
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Emotional healing
Qualities Associated
Grounding
Harmony