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Formula: KMg3(Si3Fe3+)O10(OH)2
Phyllosilicate (sheet silicate), biotite subgroup,
mica group
Crystal System: Monoclinic
Environments
Localities
The type locality is the Kovdor Zheleznyi Mine, Kovdor Massif, Murmansk Oblast, Russia. The mine is an
iron mine working on magnetite-rich ore
(Mindat).
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