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Davidbrownite-(NH4)

About

New structure type. Unique combination of elements (compare rowleyite, though). The first vanadium-bearing oxalate mineral. The first approved organic vanadium mineral.

Type Locality
Rowley Mine, Theba, Arizona, United States of America
Mineral Data
(NH4)5(V4+O)2(C2O4)[PO2.75(OH)1.25]4·3H2O
Physical Properties
Crystal System: 
Monoclinic
Synonyms
Synonyms: 
IMA2018-129