Origin
Italy, China
Southern and central Africa
Color
Colorless, White, Blue, gray
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
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.092.95-2.96
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
None
Mohs Hardness
87-7.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Adamantine
Pleochroism
Weak
None
Dispersion
0.01-
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.672-1.6761.658-1.673
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.019-0.0210.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Peace