Origin
Canada, Southern and central Africa, Australia
Linares, Jaén, Andalusia, Spain
Color
Colorless, White, gray
Blue
Streak
White
Blue
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
2.72-2.755.35
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on [001], good on [010], imperfect on [110]
Perfect on {100}, imperfect on {001}
Mohs Hardness
6-6.52.5
2
10
👆🏻
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Sub-Adamantine, Vitreous
Pleochroism
colorless.
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.561-1.5831.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
monoclinic
Birefringence
0.010-0.0110.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Clarity
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Communication