Esperite PbCa4Zn4(SiO4)4 with Franklinite (black) New Jersey, Ex J. Norman Convery
Esperite PbCa4Zn4(SiO4)4 with Franklinite (nf) New Jersey, Ex J. Norman Convery
Esperite PbCa4Zn4(SiO4)4 Two light streaks on right side with Zincite, (reddish), Willemite (streaks on left side) and Calcite (white) and C New Jersey
Esperite PbCa4Zn4(SiO4)4 (yellow) under shortwave UV with Calcite (red), Willemite (green) and Zincite (nf) New Jersey
Esperite PbCa4Zn4(SiO4)4 with Calcite (white) and Franklinite (black), Franklin Mine, Sussex Co., New Jersey, Ex J. Norman Convery
Esperite PbCa4Zn4(SiO4)4 with Calcite (reddish-orange) and Franklinite, (nf), Franklin Mine, Sussex Co., New Jersey, Ex J. Norman Convery
Esperite PbCa4Zn4(SiO4)4 with Franklinite (black), Franklin Mine, Sussex Co., New Jersey
Esperite PbCa4Zn4(SiO4)4 with Hardystonite (blue), Franklinite, (nf), Franklin Mine, Sussex Co., New Jersey