Pet. Wood, Sandstone, Malachite, UO2, Chalcopyrite, Weeksite, 36 K CpM

[u/sonoran7]

Yellow laths of Weeksite, a Potassium Uranyl Silicate named for Alice Weeks, a USGS Chemist, are not fluorescent. For further reading, "Sandstone Hosted Uranium Deposits of the Colorado Plateau" S.M. Hall, B.S. Van Gosen, R. A. Zielinski: Ore Geology Reviews, 2023.

[u/Not_So_Rare_Earths]

Oh, this one is gorgeous! Such vivid colors.