1 Astrology
1.1 Origin
Southern and central Africa
USA
1.3 Color
White
Yellow, Red, Green, Colorless, orange
1.6 Streak
Not Available
Yellow, yellowish orange
1.8 For which Rashi?
1.10 Planet
1.11 Element of Planets
1.13 Energy
1.15 How to Wear?
1.15.1 Finger
Not Available
Not Available
1.16.1 Ring Metal
Not Available
Not Available
1.18 Deities
Neptune, Tiamat
Not Available
1.19 Not to wear with
Not Available
Not Available
1.1 Powers
Not Available
Not Available
1.3 Birthstone
1.3.1 Planetary
Not Available
Not Available
2.3.1 Talisman
Not Available
Not Available
3 Physical Properties
3.2 Tenacity
3.6 Solubility
Not Available
Not Available
3.8 Durability
Not Available
Not Available
3.10 Specific Gravity
2.60-2.905.50-5.90
1
7.18
4.7 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
4.9 Cleavage
3,1 basal
On {10 1 0}, perfect; parting on {000 1 }
4.10 Mohs Hardness
5.4 Chemical Composition
Be3Al2SiO6
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
6 Optical Properties
6.1 Luster
Vitreous
Subadamantine, Resinous
6.3 Pleochroism
7.3 Dispersion
7.9 Transparency
Transparent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
7.10 Refractive Index
1.562-1.6152.013-2.029
1
3.25
7.17 Optic Character
Not Available
Not Available
7.18 Crystal System
7.19 Birefringence
9.4 Clarity
Transparent
TransparentRobert C. Kammerling
10 Benefits
10.1 Physical
10.1.1 Neurological
Not Available
Not Available
10.1.2 Cardiovascular
Not Available
Not Available
10.1.3 Respiratory
Not Available
Not Available
10.1.4 Reproductive
Not Available
Not Available
10.1.5 Digestive
Not Available
Not Available
10.2 Psychology
Not Available
Not Available
10.3 Healing
Not Available
Not Available
10.4 Qualities Associated
Not Available
Not Available