Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Blue, Grey
Colorless, White, gray
Streak
-
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
2.58-2.642.72-2.75
1
7.18
👆🏻
Fracture
-
Uneven
Cleavage
-
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
76-6.5
2
10
👆🏻
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.534-1.5401.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
Aids in digestion and soothes the stomach
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Protection
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Clarity