Origin
-
Southern and central Africa
Color
Colorless, gray, White
Black, Brownish, Brown
Streak
White
Brown
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
2.33-2.374.5-4.8
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
Perfect on {010}, good on {100}
None, parting may develop along {111}
Mohs Hardness
7.55.5
2
10
👆🏻
Chemical Composition
Be 2BO 3(OH)Ulrich Henn and Claudio C.
Fe++Cr2O4
Luster
Vitreous
-
Pleochroism
-
none.
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.543-1.6312.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric
Birefringence
0.071-0.074-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Protection