1 Astrology
1.1 Origin
Sri Lanka
Pakistan, Tanzania
1.2 Color
Yellow
Brown, gray, Green, Blue, rose, Red
1.3 Streak
Not Available
White, Colorless
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.69-3.813.20-3.50
1
7.18
2.5 Fracture
Not Available
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
2.6 Cleavage
Not Available
Perfect {010} imperfect {100}
2.7 Mohs Hardness
2.8 Chemical Composition
BeAl 2O 4Arthur Thomas , Gemstones (2009)
Ca2Al3(SiO4)3(OH)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
3.5 Refractive Index
1.739-1.7701.685-1.707
1
3.25
3.6 Optic Character
3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
0.007-0.0130.006-0.018
0
0.296
3.9 Clarity
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