Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
USA, Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Yellow, Brown, Reddish, Greenish, Green, gray
Streak
White
Yellow
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
2.57-2.665.5
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
7-7.55-5.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous
Pleochroism
X = pale yellow
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
-99991.993-2.02
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Supports healthy digestion
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Confidence
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Vitality