Origin
Italy, Canada
Mexico
Color
Blue, Red, Yellow, Colorless, Green, White
Blue, Black
Streak
White
Grey, Black, gray
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Flexible
Solubility
-
-
Durability
-
-
Specific Gravity
2.90-3.104.6-4.76
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Poor/indistinct on {1120} and {1011}
Perfect on {0001}
Mohs Hardness
7-9999
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
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Resinous
Pleochroism
Pale green
Marked
Dispersion
0.020.08
0.005
1
👆🏻
Transparency
Transparent
OpaqueAnthony et al
Refractive Index
1.614-1.6661.45-2.62
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Hexagonal
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
OpaqueAnthony et al
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Manifestation