Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Grey, White, Colorless, gray, Pale pink, Blue
White, Violet, Blue, Yellow, Brown, Brownish, Colorless, 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
Brittle
Solubility
Readily soluble in HF
-
Durability
-
-
Specific Gravity
2.86-2.942.50
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
None observed
Distinct on {100} and {110}
Mohs Hardness
6.5-75.5-6
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous, Pearly, Resinous
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.517-1.5251.540-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
tetragonal
Birefringence
-99990.004-0.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Optimism
Healing
-
Emotional healing
Qualities Associated
Harmony
Spiritual Growth