ENORME esemplare di topazio e quarzo polimetallico da 5,9 libbre | Collezione Apex Mine Byrd 9"
In the 1870s, the "Missouri Silver Rush" brought miners to these rugged hills chasing argentiferous galena. Provenance: The Byrd Collection (Charley Byrd). Locality: Apex Mine, Einstein Silver Mine District, Madison County, Missouri, USA.