Origin
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Canada, Southern and central Africa, Australia
Color
Red, Reddish, orange, Brown
Colorless, White, gray
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.12-4.182.72-2.75
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{???} Distinct
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
Mn 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
Vitreous
Vitreous, Pearly
Pleochroism
-
colorless.
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.789-1.8201.561-1.583
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
0.0270.010-0.011
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Clarity