Origin
-
Canada, Southern and central Africa, Australia
Color
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
Colorless, White, gray
Streak
Blue, 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
Gelatinises in acids
-
Durability
-
-
Specific Gravity
2.4-2.52.72-2.75
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Distinct on {110}
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
5-66-6.5
2
10
👆🏻
Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
None
colorless.
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.501.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Clarity