Chrysocolla on Volcanic Ash | Arizona cephalopod often laced with black manganese

often laced with black manganese oxide veins

They are frequently found together in hydrothermal veins

these specimens are generally considered safe to handle because the radioactivity is trapped within the silica structure

sharp geometry

25” and weighs 1

Chrysocolla on Volcanic Ash | Arizona cephalopod often laced with black manganeseThis vibrant blue chrysocolla has been deposited into volcanic tuff creating a unique aesthetic. Chrysocolla forms as a secondary mineral in oxidized copper deposits, when this process occurs in volcanic environments, silica from weathered volcanic glass acts as a host or reactant, allowing the chrysocolla to precipitate into the porous ash. This item is 3. 5" x 3" and weighs 14. 25 oz