Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Red, Brown, Black
Colorless, White, gray
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
5.85-6.152.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Fair in four directions forming octahedrons
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
3.5-46-6.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Vitreous, Pearly
Pleochroism
visible
colorless.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
Transparent
Refractive Index
2.8491.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Poor
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Clarity