Wolf, Ron2025-02-252025-02-25https://hdl.handle.net/11124/179691Photographed by Ron Wolf.Fine-grained mass of hardystonite and willemite with calcite, showing fluorescent properties of red, blue and green under ultraviolet light (A0179-0323); fine-grained mass of hardystonite and willemite with calcite (A0179-0324); two views of fine-grained mass of hardystonite and willemite with calcite: left view shows specimen in plain light; right view shows fluorescent properties of red, blue and green under ultraviolet light (A0179-0325).born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimenshardystonitewillemiteMinerals -- New Jersey -- Sussex CountyFluorescent mineralsCalcite -- New Jersey -- Sussex CountyImage