Origin
Southern and central Africa
Brazil, Southern and central Africa, Sri Lanka
Color
Red, Brown, Black
Red, gray
Streak
Brownish, Red
Red, Black
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
-
Solubility
-
Insoluble in acids
Durability
-
-
Specific Gravity
5.85-6.154.20-4.30
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Fair in four directions forming octahedrons
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Adamantine
Pleochroism
visible
Weak to distinct brownish red-green-yellow
Dispersion
0.050.33
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Transparent, Translucent
Refractive Index
2.8492.609-2.903
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
tetragonal
Birefringence
-99990.296
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Clarity
Healing
Emotional healing
Physical healing
Qualities Associated
Vitality
Awareness