Origin
Brazil, Colombia, Southern and central Africa
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Greenish, Blue, Colorless, White, Green
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Streak
White
White
For which Rashi?
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-
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
3.08-3.122.57-2.66
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
{010} Perfect
Fair on {100}, poor on {001} and {010}
Mohs Hardness
7.57-7.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
Luster
Vitreous
Greasy, Vitreous
Pleochroism
Weak: colorless-(greenish) yellow
X = pale yellow
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.677-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.025-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
Enhances mental clarity and focus
Supports healthy digestion
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Psychic Abilities