Origin
Southern and central Africa
Kazakhstan
Color
Colorless, Greenish, Green, gray, Yellow
Green, Blue
Streak
White
Green
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
-
Soluble
Durability
-
-
Specific Gravity
3.21-3.383.25-3.35
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
Conchoidal, ConchoidalWalter Schumann
Cleavage
Perfect on {001}
Perfect in three directions
Mohs Hardness
6-75
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
StrongArthur Thomas
Weak; dark emerald green
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.670-1.7341.644-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.006-0.0110.051-0.053
0
0.296
👆🏻
Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Empathy
Emotional Healing