Alumoklyuchevskite : K3Cu3(Al,Fe3+)(SO4)4O2
As recorded:
Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia
Photo added to mindat.org
“Crystals to 0.02 cm, on volcanic scoria.
Photographed through a sealed vial. S402-218
Specimen courtesy of Excalibur Mineral company.”
Jeff Weissman - 25th April 2008
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