Origin
Southern and central Africa
Southern and central Africa
Color
Colorless, White, gray, Brown, pink
Red, Brown, Black
Streak
White
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
3.05-3.085.85-6.15
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Conchoidal
Cleavage
None
Fair in four directions forming octahedrons
Mohs Hardness
6.53.5-4
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Semitransparent
TranslucentWalter Schumann
Refractive Index
-99992.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Vitality