Calciojohillerite NaCaMg3(AsO4)3Locality:Arsenatnaya fumarole,…

Calciojohillerite

NaCaMg3(AsO4)3

Locality:

Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik volcano, Kamchatka Oblast’, Far-Eastern Region, Russia

Field of View: 2.5 mm

Collection and photo Stephan Wolfsried

Calciojohillerite is the Ca-analogue of johillerite. Chemically similar to berzeliite; also somewhat resembling anatolyite and currierite.

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