Sao Pedro claim, Malacacheta, Minas Gerais, Brazil
Thumbnail, 2.2 x 2.2 x 0.8 cm
Ex. Frank and Wendy Melanson; Dr. Alex Schauss

A stunning neon green crystal with sharp geometry at 2.2 x 2.2 x 0.8 cm. This green/yellow crystal with a pearly luster is exceptional for this (barium uranylphosphate hydrate) radioactive rarity. From Dave Bunk Minerals (Denver, Colorado, Inventory #1212-8530), at the dispersal of the Frank Melanson collection. Photo by Jeff Scovil. Photos of this specimen can be found in Minerals: The Collectors Newspaper, 2014; 8: 21. Featured in the book, Refined Elegance (Mineralogical Record, Nov. 2022) on page 125.