Fluorite on Quartz, County Durham, Weardale, England, Mined c. early 20th Century, ex. Tom Wiesner Collection 431, Ron Roberts Collection D-34, Small Cabinet 2.5 x 6.5 x 8.5 cm, $200. Online 5/11.
Double sided plate of fluorspar crystals with quartz druse. Flip sides of the specimen are two different colors; a hallmark of some of the English deposits. In very fine condition.