Home / Explore / Minerals / Helmutwinklerite Minerals Helmutwinklerite helmutwinklerite Helmutwinklerite: Mineral information, data and localities. — via www.mindat.org · Source Overview Helmutwinklerite is a mineral species (arsenate mineral). Nickel–Strunz class: 8.CG.20. Scientific references Helmutwinklerite — Wikidata. https://www.wikidata.org/wiki/Q3784724 Link
