Origin
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Southern and central Africa
Color
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Black, Brownish, White, Brown
Streak
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Reddish, Black
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
-
-
Specific Gravity
3.314.76-5.03
1
7.18
👆🏻
Fracture
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Conchoidal
Cleavage
Indiscernible
None
Mohs Hardness
-99995.5-6.5
2
10
👆🏻
Chemical Composition
NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Luster
-
-
Pleochroism
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-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
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Translucent
Refractive Index
-9999-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
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Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
Calms digestive system and reduces stomachaches
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Digestive
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Psychology
Harmony
Insight
Healing
Physical healing
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Qualities Associated
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Grounding