Origin
Southern and central Africa
Turkey
Color
Colorless, White, Yellow, Blue, Green, gray
Colorless, White, Yellow, Greenish, gray, Brown
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
Very brittle
Solubility
Soluble
insoluble
Durability
-
-
Specific Gravity
2.95-2.963.30-3.40
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
7-7.56.5-7
2
10
👆🏻
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Adamantine
Pearly
Pleochroism
None
Strong
Dispersion
-0.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.658-1.6731.702-1.750
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.010-0.0110.048
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Change