Origin
Italy
Brazil, Colombia, Southern and central Africa
Color
Blue, Green
Greenish, Blue, Colorless, White, Green
Streak
Blue, 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
Effervesces in cold
-
Durability
-
-
Specific Gravity
4-4.23.08-3.12
1
7.18
👆🏻
Fracture
Splintery
ConchoidalWalter Schumann
Cleavage
Perfect on {100} and {010}
{010} Perfect
Mohs Hardness
47.5
2
10
👆🏻
Chemical Composition
CuZn(CO3)(OH)2
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky, Vitreous
Vitreous
Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
Weak: colorless-(greenish) yellow
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.672-1.6881.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.139-0.1430.019-0.025
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Communication