Origin
Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Red, Brown, Black
Blue, Violet, Greenish, Brown, Colorless, Yellow, 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
5.85-6.152.57-2.66
1
7.18
👆🏻
Fracture
Conchoidal
Subconchoidal, Conchoidal
Cleavage
Fair in four directions forming octahedrons
Fair on {100}, poor on {001} and {010}
Mohs Hardness
3.5-47-7.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
Luster
Adamantine
Greasy, Vitreous
Pleochroism
visible
X = pale yellow
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
TranslucentWalter Schumann
-
Refractive Index
2.849-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Orthorhombic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentWalter Schumann
-
Physical
Neurological
-
Supports healthy digestion
Cardiovascular
Supports heart health
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Psychic Abilities