Fluorescent secondary zincite, sphalerite and willemite under longwave UV light.

Secondary zincite (yellow to yellow-green), sphalerite (blue and orange-red) and willemite (green) from Sterling Hill Mine, Ogdensburg, NJ under longwave UV light. Photo by WP.
Fluorescent secondary zincite, sphalerite and willemite under longwave UV light.

Fluorescent secondary zincite, sphalerite and willemite under longwave UV light.

All content including, but not limited to, mineral images, maps, graphics, and text on the Franklin-Ogdensburg Mineralogical Society, Inc. (FOMS) website is licensed under a
Creative Commons Attribution-NonCommercial 4.0 International License.

Creative Commons License

Franklin-Ogdensburg Mineralogical Society Inc - FOMS, Franklin, NJ | EMAIL: info@fomsnj.org | Questions or Comments: webmaster@fomsnj.org