Ferberite (multi-twinned specimen!) pseudomorph which is one of my

which is one of my favorite phenomena in the mineral world

Specimen # BOL711B151

light green Paravauxite crystals and tan colored Sigloite crystals on matrix

prismatic Quartz crystals on matrix

excellent quality

Ferberite (multi-twinned specimen!) pseudomorph which is one of myThis 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