2672 Metauranocircite, Davier Mine, Lawrence Co., South Dakota, USA

Lemon-yellow platy crystals of metauranocircite. Highly fluorescent. Ex Jim Daly. Width of view 11.5mm. Stack of 30 images (white light) and 8 (longwave UV).

Use the slider on the photo below to compare the white light and UV images. Click here for a higher resolution version.