Origin
-
Southern and central Africa
Color
Colorless, gray, White
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.33-2.375.85-6.15
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
Perfect on {010}, good on {100}
Fair in four directions forming octahedrons
Mohs Hardness
7.53.5-4
2
10
👆🏻
Chemical Composition
Be 2BO 3(OH)Ulrich Henn and Claudio C.
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
TranslucentWalter Schumann
Refractive Index
1.543-1.6312.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.071-0.074-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentWalter Schumann
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Vitality