Origin
Southern and central Africa
Southern and central Africa
Color
Red, Brown, Black
Colorless, Greenish, Green, gray, Yellow
Streak
Brownish, Red
White
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
5.85-6.153.21-3.38
1
7.18
👆🏻
Fracture
Conchoidal
Irregular/uneven, Uneven
Cleavage
Fair in four directions forming octahedrons
Perfect on {001}
Mohs Hardness
3.5-46-7
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Vitreous
Pleochroism
visible
StrongArthur Thomas
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Transparent
Refractive Index
2.8491.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
-99990.006-0.011
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Empathy