Origin
Australia
Southern and central Africa
Color
Red
Red, Brown, Black
Streak
White, Colorless
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
3.15.85-6.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Perfect {010} imperfect {100}
Fair in four directions forming octahedrons
Mohs Hardness
6-73.5-4
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Present
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
TranslucentWalter Schumann
Refractive Index
1.6952.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.006-0.018-9999
0
0.296
👆🏻
Clarity
OpaqueHerve Nicolas Lazzarelli
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Love
Vitality