Origin
Southern and central Africa
Switzerland
Color
Red, Brown, Black
Brown, Brownish, Yellow, Black, Reddish
Streak
Brownish, Red
White, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.153.7-3.8
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Fair in four directions forming octahedrons
Distinct on {010}
Mohs Hardness
3.5-47-7.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Adamantine
Resinous
Pleochroism
visible
X = colorless; Y = pale yellow; Z = golden yellow
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
-
Refractive Index
2.8491.736-1.762
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
-99990.009-0.015
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
-
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
Supports heart health
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Respiratory
Poor
Good
Reproductive
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-
Digestive
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-
Psychology
Vitality
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Vitality
Protection