Origin
Mexico, Thailand, Italy, Austria
Southern and central Africa
Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Yellow, Blue, Colorless, White
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
3.30-3.503.28-3.31
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
Perfect on {110}, poor on {101}, {001} rare
None observed
Mohs Hardness
56.5-7.5
2
10
👆🏻
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Vitreous, Adamantine, Silky
Vitreous
Pleochroism
-
Colorless
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.614-1.6361.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.0220.0130
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Inner Peace
Clarity