Origin
Italy
Canada, Southern and central Africa, Australia
Color
Red, Reddish, Brown, Black, Yellow
Colorless, White, gray
Streak
Red
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.72-2.75
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven
Cleavage
[001] good, [100] distinct
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
6-6.56-6.5
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)(Si2O7)O(OH)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Pearly
Pleochroism
visible
colorless.
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.725-1.7561.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Triclinic
Birefringence
0.025-0.0760.010-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Spiritual growth
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Clarity