Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Brown
Streak
White
Brownish, Red, Black
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
2.57-2.665.2
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
Good in one direction
Mohs Hardness
7-7.56-6.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Greasy, Vitreous
Resinous
Pleochroism
X = pale yellow
-
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
-
TransparentWalter Schumann
Refractive Index
-99992.190-2.457
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
-99990.083
0
0.296
👆🏻
Clarity
-
TransparentWalter Schumann
Physical
Neurological
Supports healthy digestion
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Strength
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Balance