Origin
Canada
Tanzania, Sri Lanka, China
Color
Yellow, Reddish, Brown, Brownish, Green, gray, Colorless
Colorless
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.72-2.833.60-3.61
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Good on {100} and {110}
Imperfect/fair/absent
Mohs Hardness
6-78-8.5
2
10
👆🏻
Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Weak
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.610-1.6471.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Hexagonal
Birefringence
0.0210.055
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Inner Peace
Spiritual Growth