Origin
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Mexico, Spain
Color
Greenish, Green, Brownish, Red, Blue, Brown, gray
Green, Blue, Yellow, Grey
Streak
White
White
For which Rashi?
-
Taurus, Gemini, Aries
Planet
-
Venus, Mercury
Element of Planets
Earth, Water
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
Healing
Protection, Love, Courage
Birthstone
Planetary
-
Taurus
Talisman
-
Gemini
Tenacity
Brittle
-
Solubility
-
-
Durability
-
Hard
Specific Gravity
3.69-3.812.67-2.78
1
7.18
👆🏻
Fracture
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Imperfect on the [0001]
Mohs Hardness
8.57.5-8
2
10
👆🏻
Chemical Composition
BeAl 2 O 4
Be3Al2SiO6
Luster
Vitreous
Vitreous
Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Strong dichroism: yellow green Lazzarelli
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.746-1.7631.565-1.602
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.007-0.0130.0040-0.0070
0
0.296
👆🏻
Clarity
Transparent
-