Origin
Italy, China
China, Kenya, Russia, Sri Lanka, Zambia
Color
Colorless, White, Blue, gray
Red, pink, Black, orange
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
-
insoluble in water
Durability
-
-
Specific Gravity
3.093.62-3.87
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
None
Mohs Hardness
87-7.5
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous, Greasy
Greasy, Vitreous
Pleochroism
Weak
None
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.672-1.6761.720-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.019-0.021-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
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Energy