Origin
Italy, Canada
Kazakhstan
Color
Blue, Red, Yellow, Colorless, Green, White
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
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.90-3.103.25-3.35
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Poor/indistinct on {1120} and {1011}
Perfect in three directions
Mohs Hardness
75
2
10
👆🏻
Chemical Composition
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
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Pale green
Weak; dark emerald green
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
TranslucentHerve Nicolas Lazzarelli
Refractive Index
1.614-1.6661.644-1.720
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.014-0.0320.051-0.053
0
0.296
👆🏻
Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing