Aleutite

Aleutite is both a vanadate and arsenate mineral but it can also be considered as a natural salt-inclusion phase that was first discovered at Second scoria cone of the Great Fissure Tolbachik eruption in the summer of 2015 in Kamchatka, Russia. Aleutite is a fumarolic mineral found with many other newly discovered minerals at this location. It gained the name from the Aleuts, the ethnic group who are the original inhabitants living on the Commander Islands, Aleutsky District, Kamchatka Krai. This mineral is very brittle and has a dark red color. Aleutite is a new structure type, the structure was refined as a 2-component twin, the twin ratio equals (0.955:0.045).

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