Wolf, Ron2025-02-242025-02-24https://hdl.handle.net/11124/179400Photographed by Ron Wolf.Blocky brown-black cluster of sphalerite crystals, Trice [sic], Cherokee County, Kansas.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensMinerals -- Kansas -- Cherokee CountySphalerite crystalsMid-Continent Mine (Kan.)Image