Origin
Southern and central Africa
USA
Color
Greenish, Blue, Colorless, Green, Yellow
Colorless, White, Yellow
Streak
Greenish, gray
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.17-3.242.79-2.87
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
(0001) indistinct
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Mohs Hardness
9-9.55.5-6
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine
Vitreous, Adamantine, Pearly
Pleochroism
-
-
Dispersion
0.100.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.648-2.6911.552-1.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
monoclinic
Birefringence
0.0430.009
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
Creativity
Healing
-
Emotional healing
Qualities Associated
Creativity
Harmony