Wolf, Ron2025-02-242025-02-24https://hdl.handle.net/11124/179543Photographed by Ron Wolf.Resinous black sphalerite with metallic gold pyrite and glassy grey quartz.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensMinerals -- Colorado -- Clear Creek CountySphalerite -- Colorado -- Clear Creek CountyPyrites -- Colorado -- Clear Creek CountyQuartz -- Colorado -- Clear Creek CountyMaine Mine (Colo.)Image