Origin
Southern and central Africa
Tanzania, Yellow, green, Yellow, green
Streak
Not Available
White, Colorless
For which Rashi?
Not Available
Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo, Sagittarius, Pisces, Virgo
Planet
Not Available
Not Available
Element of Planets
Not Available
Air, Water, Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Receptive, Projective
Deities
Not Available
Goddess
Not to wear with
Not Available
Not Available
Powers
Not Available
Love, Healing
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
2.51-2.63
3.35
Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
Perfect {010}, imperfect {100}
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Ca2Al3(SiO4)3(OH)
Luster
Waxy, Silky, Resinous, Greasy
Vitreous
Pleochroism
Not Available
Present
Transparency
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.575
1.685-1.707
Optic Character
Not Available
Not Available
Crystal System
Not Available
Orthorhombic
Birefringence
Not Available
0.006-0.018
Clarity
TranslucentHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available