Bloothammer

My mind via images.
bijoux-et-mineraux:

Pumpellyite, Copper, Quartz, Chalcedony (Var: Agate) - St. Louis Mine Exploration, Laurium, Houghton Co., Michigan, USA

bijoux-et-mineraux:

Pumpellyite, Copper, Quartz, Chalcedony (Var: Agate) - St. Louis Mine Exploration, Laurium, Houghton Co., Michigan, USA

(Source: mindat.org)