Origin
Southern and central Africa
-
Color
Blue, Colorless, White
Brown, Blue, Green, Yellow, White
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
2.45-2.583.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
None
Poor on {110} and {100} very poor on {001}
Mohs Hardness
3-3.56-7
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Vitreous
Vitreous, Resinous
Pleochroism
-
slight in colored varieties
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.583-1.6081.703-1.752
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0190.004-0.006
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Calming
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Transformation