Origin
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Mexico, Spain
Mexico, Thailand, Italy, Austria
Color
Green, Blue, Yellow, Grey
Green, Brown, Colorless, Greenish, gray, Yellow, White
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
2.67-2.783.30-3.50
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Imperfect on the [0001]
Perfect on {110}, poor on {101}, {001} rare
Mohs Hardness
7.5-85
2
10
👆🏻
Chemical Composition
Be3Al2SiO6
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine, Silky
Pleochroism
Strong dichroism: yellow green Lazzarelli
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.565-1.6021.614-1.636
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Orthorhombic
Birefringence
0.0040-0.00700.022
0
0.296
👆🏻
Clarity
-
Transparent