Calciojohillerite, Aphthitalite
Specimen ID: TY6-U3R
Calciojohillerite : NaCaMg3(AsO4)3
Aphthitalite : K3Na(SO4)2
As recorded:
Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia
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Photo added to mindat.org
“light yellow crystals of the new mineral calciojohillerite with white crystals of aphthitalite (the calciojohillerite can be of different colour: azure, yellow...) this specimen is analysed
photo Serge Lavarde
collection Luigi Chiappino ”
Luigi Chiappino - 3rd July 2017
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