Home / Explore / Minerals / Gruzdevite Minerals Gruzdevite gruzdevite Cu6Hg3Sb4S12 Gruzdevite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Gruzdevite is a mineral species (sulfosalt mineral). It crystallises in the trigonal system. Nickel–Strunz class: 2.GA.30. Scientific references Gruzdevite — Wikidata. https://www.wikidata.org/wiki/Q3777961 Link