Origin
Color
Streak
For which Rashi?
Planet
Element of Planets
Energy
Finger
Ring Metal
Deities
Not to wear with
Powers
Planetary
Talisman
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Luster
Pleochroism
Dispersion
Transparency
Refractive Index
Optic Character
Crystal System
Birefringence
Clarity
Neurological
Cardiovascular
Respiratory
Reproductive
Digestive
Psychology
Healing
Qualities Associated
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Greenish, Green, Brownish, Red, Blue, Brown, gray
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Distinct on {110}, imperfect on {010}, poor on {001}
X = red; Y = yellow-orange; Z = emerald-green
Transparent, Translucent, Transparent to translucent
Southern and central Africa
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Aids in mental clarity and focus