Origin
Southern and central Africa
Italy, Canada
Color
Colorless, Greenish, Green, gray, Yellow
Blue, Red, Yellow, Colorless, Green, White
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
3.21-3.382.90-3.10
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
Uneven, Conchoidal
Cleavage
Perfect on {001}
Poor/indistinct on {1120} and {1011}
Mohs Hardness
6-77
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous
Vitreous
Pleochroism
StrongArthur Thomas
Pale green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.670-1.7341.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.006-0.0110.014-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Empathy
Emotional Healing