Group of very well formed crystals of chalcocite. In some sectors of the sample, tennantita crystals are also seen on a matrix of crystals of calcite and asbesto.
Group of very well formed crystals of chalcocite. In some sectors of the sample, tennantita crystals are also seen on a matrix of crystals of calcite and asbesto.
Riveting, sharp, iridescent golden-metallic chalcopyrite sphenoids with fabulous iridescent magenta and peacock-blue highlights comprise this sulfide plate from the San Martin Mine
Riveting, sharp, iridescent golden-metallic chalcopyrite sphenoids with fabulous iridescent magenta and peacock-blue highlights comprise this sulfide plat, accompanied with dolmite, from the San Martin Mine
Chrysocolla cave covered by a druse of chalcedony. It stands out for its very intense color and luster, even more so than in the photos. This sample was collected in 2012.
Large druse of chrysocolla, notable for hundreds of nodules or spheres of intense color, better than in the photo, accompanied by small doubly terminated crystals of brochantite, a classic from the Los Azules mine.