Yellow to orange tabular crystals to 1mm on matrix with white Mimetite sprays. All the yellow is essentailly Nadorite and there are some pretty good nicer but smaller crystals not in photos. The white Mimetite was recently identified through XRD and the Nadorite was verified by XRD also. The white sprays in the Langban book which discusses Nadorite are Mimetite. There are several white sprays. Rich.