Origin
Southern and central Africa
Canada, Southern and central Africa, Australia
Color
Blue, Colorless, White
Colorless, White, gray
Streak
White
White
For which Rashi?
Gemini, Virgo
-
Planet
-
-
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Quan Yin
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.45-2.582.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
3-3.56-6.5
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael 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
Refractive Index
1.583-1.6081.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.0190.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Calming
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Clarity