Origin
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Mexico, Spain
Southern and central Africa
Color
Green, Blue, Yellow, Grey
Black, Reddish, gray, Red
Streak
White
Black, Brown, Reddish, Red
For which Rashi?
Taurus, Gemini, Aries
Aries, Aquarius
Planet
Venus, Mercury
Saturn
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
Gold
-
Deities
Diana, Artemis, Venus, Freyja
Mars
Not to wear with
Red Coral, Natural Pearl, Moonstone, Ruby
-
Powers
Protection, Love, Courage
Healing
Birthstone
Planetary
Taurus
Talisman
Gemini
-
Tenacity
-
Brittle
Solubility
-
-
Durability
Hard
-
Specific Gravity
2.67-2.785.00-5.30
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Imperfect on the [0001]
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
7.5-86
2
10
👆🏻
Chemical Composition
Be3Al2SiO6
Fe 2O 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
-
Pleochroism
Strong dichroism: yellow green Lazzarelli
O = brownish red; E = yellowish red
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.565-1.6022.690-3.220
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Trigonal
Birefringence
0.0040-0.00700.280
0
0.296
👆🏻
Clarity
-
OpaqueHerve Nicolas Lazzarelli