Ferberite (multi-twinned specimen!) pseudomorph prismatic Quartz crystals on matrix

prismatic Quartz crystals on matrix

excellent quality

Specimen # BOL711B28

I am told that it originally came through the Magistretti collection in Italy

Ferberite (multi-twinned specimen!) pseudomorph prismatic Quartz crystals on matrixThis was one of the very few multi twinned pieces from the find of these amazing specimens in June of 2010. This species was sometimes previously referred to as "Wolframite", which was supposed to be an intermediary species between Ferberite and Hubnerite, but has since been discredited. This exquisite piece features sharp, highly lustrous, jet black blades of Ferberite which are twinned along the a {100} face. It is not a simple twinned specimen, as