Origin
Southern and central Africa
USA
Color
Colorless, Greenish, Green, gray, Yellow
Red, Violet
Streak
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.21-3.382.98-3.03
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
Uneven
Cleavage
Perfect on {001}
[110] perfect; [010] distinct
Mohs Hardness
6-75-6
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous
Pleochroism
StrongArthur Thomas
bluish–red
Dispersion
0.02-
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.670-1.7341.599-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.006-0.0110.019-0.028
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Empathy
Harmony