Origin
Southern and central Africa
Australia
Color
Blue, Colorless, White
Brown
Streak
White
None
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
2.45-2.582.5-2.8
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None
{???} Perfect
Mohs Hardness
3-3.53
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgO.Fe2O3.3SiO2•4(H2O)
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.01-
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.583-1.608-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.019-9999
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Calming
Grounding
Healing
Emotional healing
-
Qualities Associated
Calming
Grounding