A microscopic view of blue franksousaite enclosed in a large colourless anglesite crystal, making the whole anglesite crystal look blueish. 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: Hexiong Yang, James A. McGlasson, Ronald B. Gibbs i Robert T. Downs · CC BY-SA 4.0
Franksousaite
Franksousaite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula PbCu(Se⁶⁺O₄)(OH)₂.
It crystallizes in the monoclinic crystal system. It is a member of the Linarite structural group.
IMA symbol Fns, IMA status: approved, named in 2022.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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