Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Brownish, Red, 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
-
-
Durability
-
-
Specific Gravity
2.57-2.664.00-4.03
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
Distinct
Mohs Hardness
7-7.57.5-8
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
-
Pleochroism
X = pale yellow
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
-99991.787-1.816
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
-99990.029
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Supports healthy digestion
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
-
Healing
Emotional healing
Physical healing
Qualities Associated
Psychic Abilities
Transformation