Origin
-
Southern and central Africa
Color
Brown, Blue, Green, Yellow, White
Colorless, White, Yellow, Blue, Green, gray
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
-
Soluble
Durability
-
-
Specific Gravity
3.32-3.432.95-2.96
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Poor on {110} and {100} very poor on {001}
None
Mohs Hardness
6-77-7.5
2
10
👆🏻
Chemical Composition
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Vitreous, Adamantine
Pleochroism
slight in colored varieties
None
Dispersion
0.03-
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.703-1.7521.658-1.673
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Orthorhombic
Birefringence
0.004-0.0060.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Transformation
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Peace