Origin
Canada, Southern and central Africa, Australia
Southern and central Africa
Color
Colorless, White, gray
Yellow, Blue, Colorless, 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
-
-
Durability
-
-
Specific Gravity
2.72-2.753.28-3.31
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [001], good on [010], imperfect on [110]
None observed
Mohs Hardness
6-6.56.5-7.5
2
10
👆🏻
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Luster
Vitreous, Pearly
Vitreous
Pleochroism
colorless.
Colorless
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.561-1.5831.638-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Hexagonal
Birefringence
0.010-0.0110.0130
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Clarity