1 Astrology
1.1 Origin
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Not Available, Mexico, Spain
Australia, Brazil, Canada, Colombia, Madagascar, Zimbabwe
1.2 Color
Green, Green, Blue, Yellow, Grey
Brown
1.3 Streak
White
Brownish, Red, Black
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
2.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Imperfect on the [0001]
Good in one direction
2.7 Mohs Hardness
2.8 Chemical Composition
Be3Al2SiO6
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Strong dichroism: yellow green Lazzarelli
Not Available
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.565-1.6022.190-2.457
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.0040-0.00700.083
0
0.296
3.9 Clarity
Color grading system
TransparentWalter Schumann
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