Origin
Brazil
Canada, Southern and central Africa, Australia
Color
Blue, Green, Colorless, White
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
2.812.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{001} Perfect
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
4.5-56-6.5
2
10
👆🏻
Chemical Composition
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.590-1.5991.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Triclinic
Birefringence
0.0090.010-0.011
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Calmness
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Clarity