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Edtollite

About

Named given to honour of Eduard Vasilyevich Toll (1858-1902), a geologist, and Arctic researcher.

The Fe(III)-Fe3+ analogue of alumoedtollite.

Type Locality
Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Mineral Data
K2NaCu5Fe3+O2(AsO4)4
Physical Properties
Crystal System: 
Triclinic
Synonyms
Synonyms: 
IMA2016-010