Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Grey, White, Colorless, gray, Pale pink, Blue
Green, Grey, 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
2.86-2.942.60-3.02
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
None observed
{001} Perfect
Mohs Hardness
6.5-72-2.5
2
10
👆🏻
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Pearly, Greasy
Pleochroism
-
Distinct: light yellow-green to light bluE
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.517-1.5251.571-1.597
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Harmony
Healing
-
Physical healing
Qualities Associated
Harmony
Emotional Healing