Vivianite with Childrenite and Paravauxite ex "sword"-shaped crystal of Vivianite with/on

"sword"-shaped crystal of Vivianite with/on metamorphosed Sandstone matrix

prismatic colorless Quartz crystals on matrix

Hopeite is truly only known from a few world localities in fine crystallized specimens

I think that their appearance

Vivianite with Childrenite and Paravauxite ex "sword"-shaped crystal of Vivianite with/onA classic association specimen from one of the most well known mines in Bolivia. Subscribers to the Mineralogical Record know that an entire issue was dedicated to this unique and historic locality. This piece features a wonderful, relatively sharp, deep emerald green color, blocky, twinned crystal of Vivianite, which is associated with beautifully contrasting golden Childrenite aggregates, and rare light green Paravauxite crystals. The piece looks