Origin
Southern and central Africa
Southern and central Africa
Color
-
Red, Brown, Black
Streak
-
Brownish, Red
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
-
-
Durability
-
-
Specific Gravity
3.62-3.805.85-6.15
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
Fair in four directions forming octahedrons
Mohs Hardness
7-7.53.5-4
2
10
👆🏻
Chemical Composition
Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Adamantine
Pleochroism
-
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
TranslucentWalter Schumann
Refractive Index
1.720-1.7402.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Passion
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Vitality