1 Astrology
1.1 Origin
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Not Available, Mexico, Spain
USA
1.2 Color
Green, Green, Blue, Yellow, Grey
Yellow, Red, Green, Colorless, orange
1.3 Streak
White
Yellow, yellowish orange
1.4 For which Rashi?
Taurus, Gemini, Aries, Taurus, Gemini, Aries, Taurus, Gemini, Aries
Not Available
1.5 Planet
Venus, Mercury
Not Available
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
1.8 Energy
1.9 Deities
Diana, Artemis, Venus, Freyja
Not Available
1.10 Not to wear with
Red Coral, Natural Pearl, Moonstone, Ruby, Red Coral, Natural Pearl, Moonstone, Ruby
Not Available
1.11 Powers
Money, Protection, Love, Courage
Not Available
1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
2.4 Specific Gravity
2.67-2.785.50-5.90
1
7.18
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Imperfect on the [0001]
On {10 1 0}, perfect; parting on {000 1 }
2.7 Mohs Hardness
2.8 Chemical Composition
Be3Al2SiO6
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
Vitreous
Subadamantine, Resinous
3.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Very weak
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
3.5 Refractive Index
1.565-1.6022.013-2.029
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.0040-0.00700.016
0
0.296
3.9 Clarity
Color grading system
TransparentRobert C. Kammerling
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available