Origin
Southern and central Africa
Canada
Color
Blue, Colorless, White
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
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
2.45-2.582.72-2.83
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
Good on {100} and {110}
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
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.583-1.6081.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.0190.021
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Calming
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Calming
Inner Peace