Wolf, Ron2025-02-252025-02-25https://hdl.handle.net/11124/179675Photographed by Ron Wolf.Esperite, willemite, white calcite and brown-black franklinite (A0179-0311); two views of esperite, willemite, white calcite and brown-black franklinite: top view shows specimen in plain light; bottom view shows fluorescent properties of green and red under ultraviolet light (A0179-0312); esperite, willemite, white calcite and brown-black franklinite, showing fluorescent properties of green and red under ultraviolet light (A0179-0313).born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensesperitewillemitefrankliniteMinerals -- New Jersey -- Sussex CountyFluorescent mineralsCalcite -- New Jersey -- Sussex CountyImage