Origin
Mexico, Thailand, Italy, Austria
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Mexico, Spain
Color
Green, Brown, Colorless, Greenish, gray, Yellow, White
Green, Blue, Yellow, Grey
Streak
White
White
For which Rashi?
-
Taurus, Gemini, Aries
Planet
-
Venus, Mercury
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
Gold
Deities
-
Diana, Artemis, Venus, Freyja
Not to wear with
-
Red Coral, Natural Pearl, Moonstone, Ruby
Powers
-
Protection, Love, Courage
Birthstone
Planetary
Taurus
Talisman
-
Gemini
Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
Hard
Specific Gravity
3.30-3.502.67-2.78
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, ConchoidalWalter Schumann
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Imperfect on the [0001]
Mohs Hardness
57.5-8
2
10
👆🏻
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
Luster
Vitreous, Adamantine, Silky
Vitreous
Pleochroism
-
Strong dichroism: yellow green Lazzarelli
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.614-1.6361.565-1.602
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.0220.0040-0.0070
0
0.296
👆🏻
Clarity
Transparent
-