Origin
Sri Lanka, India, Brazil
Canada, Southern and central Africa, Australia
Color
Green, Brown, Colorless, gray, Yellow
Colorless, White, gray
Streak
Brownish, 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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.55-3.732.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
none
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Greasy, Vitreous
Vitreous, Pearly
Pleochroism
None
colorless.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.730-1.7601.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
Triclinic
Birefringence
0.0200.010-0.011
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
Helps in digestion and alleviates indigestion
-
Digestive
-
-
Psychology
Abundance
Clarity
Healing
Physical healing
Emotional healing
Qualities Associated
Abundance
Clarity