Ferroberaunite in olive-green acicular crystals on ‘limonite’ matrix. Holotype specimen (catalogue number P1P 11/2021). FOV 2 mm across. Photo by L. Vrtiška. The image is published in an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/ ). — Photo: L. Vrtiška · CC BY-SA 4.0
Ferroberaunite
Ferroberaunite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Fe²⁺Fe³⁺₅(PO₄)₄(OH)₅·6H₂O.
It crystallizes in the monoclinic crystal system (space group C2/c). It is a member of the Beraunite structural group.
IMA symbol Fbru, IMA status: approved, named in 2021.
Prefix indicates the Fe2+-analogue of zincoberaunite.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more F minerals or help write this entry.