Ferberite with Marcasite and Arsenopyrite Chalcanthite Specimen # BOL711B95

Specimen # BOL711B95

the piece is in great shape all the way around

I like to call them “black beauties”) is the fact that they’re not always terribly aesthetic

This is a wonderful opportunity to own a good reference specimen of this extraordinarily rare mineral species

Ferberite with Marcasite and Arsenopyrite Chalcanthite Specimen # BOL711B95A wonderfully well crystallized, and eye catching closed twin of Ferberite with great form, sharpness and luster is coated by spherical aggregates of pale golden Marcasite and minor grey Arsenopyrite. The piece is virtually undamaged on the display side and when propped up, the piece displays beautifully. Good Bolivian Ferberites are not often found with any associated minerals, especially with any kind of aesthetic appeal like this one. Its a great