Home / Explore / Minerals / Finnemanite Minerals Finnemanite finnemanite Pb5(As³⁺O3)3Cl Finnemanite mineral information and data — via www.dakotamatrix.com · Source Overview Finnemanite is a mineral species (arsenite mineral). Nickel–Strunz class: 4.JB.45. Scientific references Finnemanite — Wikidata. https://www.wikidata.org/wiki/Q3745743 Link