Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Canada, Pakistan
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, gray, orange
Streak
White
White
For which Rashi?
-
Virgo, Capricorn
Planet
-
-
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Protection
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
Dilute acid
Durability
-
-
Specific Gravity
2.57-2.662.93-2.96
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
7-7.53.5-4
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous, Resinous
Pleochroism
X = pale yellow
StrongArthur Thomas
Dispersion
0.010.17
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
-99991.525-1.686
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
-99990.155
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Supports healthy digestion
Promotes focus and concentration
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Stability
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Centering