Origin
Canada
Afghanistan, Southern and central Africa
Color
White, Colorless, Blue, pink
Grey, White, Colorless, gray, Pale pink, Blue
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
2.452.86-2.94
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {001}, good on {110}
None observed
Mohs Hardness
4-4.56.5-7
2
10
👆🏻
Chemical Composition
KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Weak
-
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.517-1.5211.517-1.525
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Isometric
Birefringence
0.004-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Self-Expression
-
Healing
-
-
Qualities Associated
-
Harmony