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Vergasovaite: Cu3O[(Mo,S)O4][SO4]
Comments: Green vergasovaite on matrix. Inset shows the sealed glass ampoule with the specimen inside to protect from deterioration. Location: Northern Breakthrough, Tolbachik Volcano, Kamchatka, Russia. Scale: Specimen Size 1.5x1.5 cm. © Diederik Visser
Vergasovaite: Cu3O[(Mo,S)O4][SO4] Alumoklyuchevskite: K3Cu3AlO2(SO4)4
Comments: Green blebs to prismatic or needle-like crystals of alumoklyuchevskite associated with orange vergasovaite, co-type material. Location: Main fracture, N breakthrough, Tolbachik Volcano, Kamchatka Peninsula, Russia. Scale: See Image. © Rruff Database