Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Brazil, Colombia, Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Greenish, Blue, Colorless, White, Green
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
2.57-2.663.08-3.12
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
ConchoidalWalter Schumann
Cleavage
Fair on {100}, poor on {001} and {010}
{010} Perfect
Mohs Hardness
7-7.57.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous
Pleochroism
X = pale yellow
Weak: colorless-(greenish) yellow
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
-99991.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.019-0.025
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Supports healthy digestion
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Communication