Origin
USA
Southern and central Africa
Color
Yellow, Red, Green, Colorless, orange
Yellow, Green
Streak
Yellow, yellowish orange
White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.50-5.90
2.56-2.75
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
Cleavage
On {10 1 0}, perfect; parting on {000 1 }
two or three
Chemical Composition
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Not Available
Luster
Subadamantine, Resinous
Vitreous
Pleochroism
Very weak
None
Dispersion
Not Available
Not Available
Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
Transparent, Translucent
Refractive Index
2.013-2.029
1.518-1.570
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Triclinic or monoclinic
Birefringence
0.016
0.008-0.010
Clarity
TransparentRobert C. Kammerling
Transparent
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
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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