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Formula: Fe3+2O(SO4)2.4H2O
Hydrated sulphate
Crystal System: Triclinic
Specific gravity: 2.568 calculated
Colour: Orange
Environments
Localities
At the type locality, the Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile,
metahohmannite occurs as an orange powdery material in association with
hohmannite. It formed rapidly from the dehydration of
hohmannite in a desert sulphate deposit
(Dana).
Metahohmannite from Chile - Image
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