Origin
Canada
Southern and central Africa
Color
Yellow, Brown, Red, White, Green, Reddish, Black
Black, Brownish, Brown
Streak
White
Brown
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
3.89-4.184.5-4.8
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
{0001}, {11 2 0} imperfect
None, parting may develop along {111}
Mohs Hardness
5.55.5
2
10
👆🏻
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe++Cr2O4
Luster
Vitreous, Resinous
-
Pleochroism
-
none.
Dispersion
0.170.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.687-1.7232.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Isometric
Birefringence
0.028-0.030-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Optimism
Vitality
Healing
-
Emotional healing
Qualities Associated
Transformation
Protection