Origin
Southern and central Africa
Southern and central Africa, Burma, Tanzania, India, Sri Lanka
Color
Blue, Colorless, White
Yellow, White, Green, Brown, Greenish, gray
Streak
White
Grey, gray
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
2.45-2.583.20-3.25
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
None
Good/distinct on [210]
Mohs Hardness
3-3.55.5
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
Pale green to pale orange
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.583-1.6081.650-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.0190.009-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Calming
Grounding
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Grounding