Calcite, willemite & hydrozincite from Sterling Hill, NJ
- Frédéric Messier Leroux
- Jan 26, 2022
- 1 min read
Nice cabinet-sized specimen of calcite (red fluorescence), willemite (green fluorescence), franklinite (non fluorescent), with a coating of hydrozincite (blue fluorescence), from Sterling Hill. Shown in visible light in the second picture.

Shortwave UV fluorescence

Visible light.