Origin
Southern and central Africa
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Color
Red, Brown, Black
Colorless, White, Brownish, Reddish, Black, gray, Brown
Streak
Brownish, Red
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
5.85-6.152.97
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Fair in four directions forming octahedrons
None observed
Mohs Hardness
3.5-42.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 3AlF 6Ulrich Henn and Claudio C.
Luster
Adamantine
Vitreous, Greasy, Pearly
Pleochroism
visible
colorless.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
-
Refractive Index
2.8491.338-1.339
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
-99990.001
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
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Psychology
Vitality
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Peace