Origin
Italy, Canada
China, Kenya, Russia, Sri Lanka, Zambia
Color
Blue, Red, Yellow, Colorless, Green, White
Red, pink, Black, orange
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
-
-
Solubility
-
insoluble in water
Durability
-
-
Specific Gravity
2.90-3.103.62-3.87
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Poor/indistinct on {1120} and {1011}
None
Mohs Hardness
77-7.5
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
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Pale green
None
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.614-1.6661.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
cubic
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Energy