Origin
Italy, Canada
Sri Lanka, India, Brazil
Color
Blue, Red, Yellow, Colorless, Green, White
Green, Brown, Colorless, gray, Yellow
Streak
White
Brownish, 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
2.90-3.103.55-3.73
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
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
Ca 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
1.614-1.6661.730-1.760
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
cubic
Birefringence
0.014-0.0320.020
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
Helps in digestion and alleviates indigestion
Digestive
-
-
Psychology
Emotional healing
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
Abundance