Field of View: 2.4 mm
Lemon-yellow uranospinite with green epitaxial growth of zeunerite.
Beppe Finello’s Photo
Uranospinite (also called calcium arsenuranite ) is a very rare mineral from the Autunite Group The name uranospinite has its origin in the uranium content and from Greek “spinos” for “siskin,” which indicates the green colour. A secondary mineral occurring in the oxidized zone of arsenic-bearing and uranium-bearing hydrothermal deposits. Radioactive.