Origin
Afghanistan, Southern and central Africa
USA
Color
Grey, White, Colorless, gray, Pale pink, Blue
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
-
Solubility
Readily soluble in HF
-
Durability
-
-
Specific Gravity
2.86-2.944.28-4.42
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None observed
Distinct on [010] and [100] poor on [101]
Mohs Hardness
6.5-75-5.5
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
-
colorless.
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
OpaqueAnthony et al, Opaque, Transparent
Refractive Index
1.517-1.5251.760-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
monoclinic
Birefringence
-99990.012
0
0.296
👆🏻
Clarity
Transparent
OpaqueAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
-
Optimism
Healing
-
Emotional healing
Qualities Associated
Harmony
Optimism