Origin
-
Southern and central Africa
Color
Colorless, gray, White
Yellow, Blue, Colorless, White
Streak
White
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
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.33-2.373.28-3.31
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
Perfect on {010}, good on {100}
None observed
Mohs Hardness
7.56.5-7.5
2
10
👆🏻
Chemical Composition
Be 2BO 3(OH)Ulrich Henn and Claudio C.
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
-
Colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.543-1.6311.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.071-0.0740.0130
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Clarity