Highly fluorescent under longwave and shortwave. Size 45x30x25mm.
Pale yellow radiating groups that strongly fluoresce green under Convoy longwave light. Width 18.5mm. Stack of 126 images (white light). Stack of 34 images (UV). Ex Malte Bartholomaus.
Adamite crystals, many having purple manganoan cores with colourless outer areas.
Single greenish yellow crystal 12.5mm long on matrix. Ex University of Arizona Mineral Museum #19204. Donated by Helga K Herfirth (sp?), 25/1/2000, number 395.