Origin
Italy, Canada
India, Italy
Color
Blue, Red, Yellow, Colorless, Green, White
White, Reddish
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
-
-
Durability
-
-
Specific Gravity
2.90-3.102.08-2.16
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Irregular/uneven
Cleavage
Poor/indistinct on {1120} and {1011}
distinct/good on {1011}
Mohs Hardness
74.5
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
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
Luster
Vitreous
Vitreous
Pleochroism
Pale green
-
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6661.478-1.490
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.014-0.0320.005-0.008
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional healing
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Optimism