Franckeite on matrix (!) Hopeite and obtaining specimens is next

and obtaining specimens is next to impossible because miners rarely bring out anything for sale

A great quality Vivianite from Huanuni

luster and overall quality of the crystals

Specimen # BROOK31902

Specimen# CO712B65

Franckeite on matrix (!) Hopeite and obtaining specimens is nextFranckeite is a relatively rare iron, lead, tin, antimony sulfosalt, which is not often found in well crystallized display specimens, especially on matrix! This is one of the very few specimens of Franckeite that I have seen from the famous Siglo XX mine, and certainly one of the most eye catching. This piece hosts several groups of Franckeite consisting of somewhat "sword" shaped crystals forming spherical aggregates which are sitting on minor