Origin
Afghanistan, Southern and central Africa
Kazakhstan
Color
Grey, White, Colorless, gray, Pale pink, Blue
White, Colorless
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
Readily soluble in HF
Soluble
Durability
-
-
Specific Gravity
2.86-2.941.847-1.852
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None observed
Poor to indistinct on {010}
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
Ca3Al3(SiO4)3(OH)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
-
-
Dispersion
0.01-
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.517-1.5251.488-1.525
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.027-0.034
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
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Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
-
-
Qualities Associated
Harmony
-