Galena, Quartz and Chalcedony, Ex Robert Bartsch Collection

Old Channel Mine, Midway Well, Imperial County, California, USA
Collected in 1958, a flat, cut and polished face revealing bands of quartz, agate and chalcedony, RHC9302, Bartsch #56. Measuring 3 x 3 1/4 x 7/8 in

Accompanied by a paper label:
RHC9302:
Acquired 2015, Small cabinet, 186 gm.
A flattish cut and polished specimen of quartz, agate and chalcedony. X Robert Bartsch collection (1939-2014). Bob collected the specimen in 1958.

Accompanied by a Robert Bartsch Collection label: RIP 1939-2014