Origin
Southern and central Africa
Colombia, Origins: Congo
Color
Red, Brown, Black
Red, Yellow, White, gray, Green, Colorless
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
5.85-6.152.65-2.69
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Fair in four directions forming octahedrons
Perfect on {001}, good on {010}
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca)Al1-2Si3-2O8
Luster
Adamantine
Vitreous
Pleochroism
visible
colorless.
Dispersion
0.050.70
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Transparent, Translucent, Transparent to translucent
Refractive Index
2.8491.543-1.564
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
cubic
Triclinic
Birefringence
-99990.007-0.011
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Vitality