Origin
Southern and central Africa
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Color
Red, Blue, Green, Reddish, Brown
Brownish, Black
Streak
White
Brown
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
3.79-3.943.26
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven
Cleavage
{100} Good, {001} Good, {010} Poor
None
Mohs Hardness
4-9999
2
10
👆🏻
Chemical Composition
FeAs
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Waxy
Resinous
Pleochroism
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Strong: yellow-brown
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
Translucent
Refractive Index
1.670-1.734-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Translucent
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
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Healing
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Qualities Associated
Emotional Healing
Protection