Origin
Southern and central Africa
Canada
Color
Yellow, Brown, Black
Yellow, Reddish, Brown, Brownish, Green, gray, 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
4.3922.72-2.83
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{010} moderate, {100} imperfect
Good on {100} and {110}
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Luster
Vitreous, Resinous
Vitreous, Pearly
Pleochroism
Faint
Weak; O = colorless to yellow; E = colorless to honey-yellow
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
TransparentAnthony et al
Transparent, Translucent
Refractive Index
1.827-1.8791.610-1.647
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
tetragonal
Birefringence
0.042-0.0510.021
0
0.296
👆🏻
Clarity
TransparentAnthony et al
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
-
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Inner Peace