Origin
USA
Mexico, Thailand, Italy, Austria
Color
Colorless, White, Green, Brown
Green, Brown, Colorless, Greenish, gray, Yellow, 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
Brittle
Solubility
Easily soluble in cold dilute HCl
Soluble
Durability
-
-
Specific Gravity
4.123.30-3.50
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Good in two directions parallel to the prism faces {110}
Perfect on {110}, poor on {101}, {001} rare
Mohs Hardness
4-4.55
2
10
👆🏻
Chemical Composition
CaZn(AsO4)(OH)
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Subadamantine, Silky
Vitreous, Adamantine, Silky
Pleochroism
-
-
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.7591.614-1.636
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.0240.022
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Compassion
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Inner Peace