Origin
Southern and central Africa
Southern and central Africa
Color
Blue, Colorless, White
Yellow, Blue, Black, Green, 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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.45-2.583.43-3.44
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None
None Observed
Mohs Hardness
3-3.56.5-7
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
visible
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.583-1.6081.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.0190.005
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Calming
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Transformation