1600421gwcetoss.nr ((GYPSUM variety SATIN SPAR)), Wm Jefferis collection, $55 MINIMUM BID, Colorado, 8 x 6 x 3.5 cm, Cabinet, Wm Jefferis (1820-1906), | |
Here is a specimen from Colorado of a variety of Gypsum with catseye like chatoyancy. ex Wm Jefferis label #7558 and Carnegie Museum #11508. |