1 Astrology
1.1 Origin
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia
Southern and central Africa
1.2 Color
Green
Black, Reddish, gray, Red
1.3 Streak
Not Available
Black, Brown, Reddish, Red
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 Energy
Not Available
Not Available
1.8 How to Wear?
1.8.1 Finger
Not Available
Not Available
1.8.2 Ring Metal
Not Available
Not Available
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.69-3.815.00-5.30
1
7.18
2.5 Fracture
Not Available
Uneven, ConchoidalWalter Schumann, Conchoidal
2.6 Cleavage
1,1 ; 3,2.
None, may show partings on {0001} and {10 1 1}
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2 O 4
Fe 2O 3Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
O = brownish red; E = yellowish red
3.3 Dispersion
3.4 Transparency
Transparent, Transparent to nearly opaque
OpaqueHerve Nicolas Lazzarelli
3.5 Refractive Index
1.739-1.7702.690-3.220
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
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