Origin
-
USA
Color
Blue, gray, Black
Yellow, Red, Green, Colorless, orange
Streak
Blue
Yellow, yellowish orange
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
3-3.155.50-5.90
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Good on [110] and on [001]
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
6.0-6.54
2
10
👆🏻
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Subadamantine, Resinous
Pleochroism
Strong
Very weak
Dispersion
0.020.16
0.005
1
👆🏻
Transparency
-
TransparentRobert C. Kammerling
Refractive Index
1.606-1.6372.013-2.029
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Hexagonal
Birefringence
-99990.016
0
0.296
👆🏻
Clarity
-
TransparentRobert C. Kammerling
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Passion
Healing
Emotional healing
-
Qualities Associated
Peace
-