Origin
Southern and central Africa
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Color
Colorless, White, Yellow, Blue, Green, gray
Green, Brown, Colorless, Greenish, Yellow
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
2.95-2.963.25-3.45
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
None
Good on {110}
Mohs Hardness
7-7.56.5
2
10
👆🏻
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Adamantine
Vitreous
Pleochroism
None
X = colorless to green; Y = colorless
Dispersion
-0.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.658-1.6731.660-1.685
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.010-0.0110.012-0.017
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Self-worth