Origin
Southern and central Africa
Canada
Color
Greenish, Blue, Colorless, Green, Yellow
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
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
3.17-3.242.72-2.83
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
(0001) indistinct
Good on {100} and {110}
Mohs Hardness
9-9.56-7
2
10
👆🏻
Chemical Composition
SiCArthur Thomas , Gemstones (2009)
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Adamantine
Vitreous, Pearly
Pleochroism
-
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.100.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
2.648-2.6911.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
6H polytype
tetragonal
Birefringence
0.0430.021
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Clarity
-
Healing
-
Emotional healing
Qualities Associated
Creativity
Inner Peace