Origin
Mexico
Brazil, Colombia, Southern and central Africa
Color
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Violet, pink
Greenish, Blue, Colorless, White, Green
Streak
White, Green
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
4.32-4.483.08-3.12
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
ConchoidalWalter Schumann
Cleavage
{101}, good; {010}, poor
{010} Perfect
Mohs Hardness
3.57.5
2
10
👆🏻
Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Weak: colorless-(greenish) yellow
Dispersion
0.060.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.708-1.7221.650-1.677
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.031-0.0500.019-0.025
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Joy
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Joy
Communication