Origin
Afghanistan, Southern and central Africa
Mexico
Color
Grey, White, Colorless, gray, Pale pink, Blue
White, gray, Brownish, Yellow, Greenish
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
Sectile
Solubility
Readily soluble in HF
Soluble
Durability
-
-
Specific Gravity
2.86-2.946.13
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None observed
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
6.5-72-3
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Adamantine
Pleochroism
-
Weakly pleochroic with O reddish and E greenish in thick sections.
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.517-1.5252.117-2.145
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.027
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
-
-
Qualities Associated
Harmony
Transformation