Origin
USA
Sri Lanka
Color
Brown, Red, Black, Brownish
Blue
Streak
Reddish, Brown
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For which Rashi?
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Sagittarius, Scorpio
Planet
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Pluto
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
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Hephaestus
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
5.05-5.223.65-4.55
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
None, but may exhibit slight parting
Mohs Hardness
5.5-67.5-8
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Luster
-
Vitreous
Pleochroism
-
-
Dispersion
0.190.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.735-1.790
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Isometric
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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Reproductive
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Digestive
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Psychology
Creativity
Empowerment
Healing
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-
Qualities Associated
Grounding
Transformation