Origin
Southern and central Africa
Canada
Color
Yellow, Blue, Colorless, White
Yellow, Brown, Red, White, Green, Reddish, Black
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.313.89-4.18
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
None observed
{0001}, {11 2 0} imperfect
Mohs Hardness
6.5-7.55.5
2
10
👆🏻
Chemical Composition
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Colorless
-
Dispersion
0.010.17
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.638-1.6501.687-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Trigonal
Birefringence
0.01300.028-0.030
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Excellent
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Optimism
Healing
Emotional healing
-
Qualities Associated
Clarity
Transformation