Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
White, Blue, gray, Green, Brown
Colorless, White, gray
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
2.30-2.402.72-2.75
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
{110} Perfect
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
-99996-6.5
2
10
👆🏻
Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
-99991.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Clarity