Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Mexico, Thailand, Italy, Austria
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Green, Brown, Colorless, Greenish, gray, Yellow, White
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
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.57-2.663.30-3.50
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on {110}, poor on {101}, {001} rare
Mohs Hardness
7-7.55
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous, Adamantine, Silky
Pleochroism
X = pale yellow
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
-99991.614-1.636
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Orthorhombic
Birefringence
-99990.022
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Supports healthy digestion
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Inner Peace