Gemmology
English | Български
Where am I? > Home > Repository > Cymophane


Gallery view selector

Colour selector
Simple colour schemeredorangey redreddish orangeorangeorangey yellowyellowgreenish yellowyellowish greenslightly yellowish greengreenvery slightly bluish greenbluish greenvery strongly bluish greengreen-blue or blue-greenvery strongly greenish bluevery slightly greenish bluebluevioletish bluebluish violetvioletbluish purplepurplereddish purplestrongly purplish redslightly purplish redcolourlessgreyblack
Cymophane — specimen 0455, photo © NMNHS
Cymophane — specimen 0455, photo © NMNHS

Cymophanespecimen 0455

Origin

South Asia
Sri Lanka
Cymophane — specimen 0455, locality map
Data

Weight: 0.18 ct; size: 3.86 | 2.94 | 1.67 mm; shape: oval; colour: dark yellowish green; clarity: opaque; cut: fair; treatment: none.
Notes

Clean specimen; cabochon style cut with cat’s eye effect.

More information from ‘Classification’


A variety of chrysoberyl; exhibits chatoyancy caused by microscopic tube-like cavities or needle-like inclusions of rutile in an orientation parallel to the c-axis.