Origin
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Violet, Blue
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
-
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
2.56-2.663.26-3.36
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct
Good on {100}
Mohs Hardness
7-7.56.5-7
2
10
👆🏻
Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Strong trichroism: colorless to yellowish
Strong
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.542-1.5781.656-1.704
1
3.25
👆🏻
Optic Character
Biaxial/+
Biaxial/+
Crystal System
-
Triclinic
Birefringence
0.008-0.0120.009-0.012
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Inner vision
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Balance