Origin
Afghanistan, Southern and central Africa
Mexico, Thailand, Italy, Austria
Color
Grey, White, Colorless, gray, Pale pink, Blue
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
Readily soluble in HF
Soluble
Durability
-
-
Specific Gravity
2.86-2.943.30-3.50
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None observed
Perfect on {110}, poor on {101}, {001} rare
Mohs Hardness
6.5-75
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Adamantine, Silky
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.517-1.5251.614-1.636
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.022
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Emotional Healing
Healing
-
Emotional healing
Qualities Associated
Harmony
Inner Peace