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Comments: Yellow crystal of mounanaite on matrix.
Location: Mounana, Haut-Ogoue, Gabon.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Mounanaite: PbFe+++2(VO4)2(OH)2 Francevillite: (Ba,Pb)(UO2)2V2O8·5(H2O)
Comments: Stout, yellow, transparent, prismatic, striated crystals of francevillite on brownish red mounanaite matrix.
Location: Mounana mine, Franceville, Haut-Ogooué, Gabon.
Scale: Picture size 1.5 cm.
© Paul M. Schumacher