Origin
Southern and central Africa
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Color
Black, Reddish, gray
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Streak
Black, Red
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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
Brittle
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Solubility
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Durability
-
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Specific Gravity
5.51-5.644.30-5.10
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
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Cleavage
Distinct on {10 1 1}
Distinct
Mohs Hardness
2.54-5
2
10
👆🏻
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
YPO 4Ulrich Henn and Claudio C.
Luster
Adamantine
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Pleochroism
Moderate; cochineal-red to blood-red
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Dispersion
0.030.02
0.005
1
👆🏻
Transparency
OpaqueUlrich Henn and Claudio C. Milisenda
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Refractive Index
2.792-3.0871.720-1.827
1
3.25
👆🏻
Optic Character
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Crystal System
Trigonal
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Birefringence
0.295-0.2960.095
0
0.296
👆🏻
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
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Respiratory
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Excellent
Reproductive
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Digestive
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Psychology
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Empowerment
Healing
Emotional healing
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Qualities Associated
Vitality
Protection