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Alumoklyuchevskite: K3Cu3AlO2(SO4)4
Comments: Very small olive-greenish prismatic crystals of alumoklyuchevskite. Location: Tolbachik volcano, Kamchatka, Russia. Scale: Sample size 1.8 x 1.5 mm. © Thomas Witzke / Abraxas-Verlag
Alumoklyuchevskite: K3Cu3AlO2(SO4)4 Vergasovaite: Cu3O[(Mo,S)O4][SO4]
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