Microcline, Himalaya Mine, Mesa Grande, San Diego County, California, Dr. David London Collection L-340, Collected c. 1940s - 1950s, Small Cabinet 4.2 x 5.5 x 9.5 cm, $150. Online Sept. 30.
Light gray microcline crystal showing prism faces and local dissolution features. Sharp twin planes and no point of attachment as specimen was naturally dislodged in pocket with re-growth on base. Classic California location for the species. Collected c. 1940s-1950s in the glory days of the mine. Dr. David London Collection L-340. Ex. E.E. Foord collection. In great condition.