Digital Commonwealth — Boston Public Library
Precious Stones on Exhibition at Colombo Ceylon. Left to right: White Ruby, 69 karats, valued at $10,000; Yellow sapphire, 169 karats, $2,500; blue aquamarine, 227 karats, $2,500; blue sapphire, 97 karats; $5,000; amethyst,98 karats, $450; patparagam, 38 karats, $2,000; and alexandrite, 142 karats, $10,000. The alexandrite is a very unusual stone because of its property of changing color in artificial light. This stone is green by daylight and red by lamplight, and is found only in Ceylon. It was name for Alexandra, Empress of Russia. Charge will be doubled is credit line is omitted.
Ewing Galloway (Agency)