Origin
Brazil, Colombia, Southern and central Africa
Canada, Southern and central Africa
Color
Greenish, Blue, Colorless, White, Green
Colorless, White, gray, pink, 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
3.08-3.122.74-2.90
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven, Splintery
Cleavage
{010} Perfect
Perfect on {100} and {001}
Mohs Hardness
7.54.5-5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Luster
Vitreous
Silky
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.650-1.6771.595-1.645
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Triclinic
Birefringence
0.019-0.0250.028-0.038
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Healing