Ferberite drill bit twin but this piece is even

but this piece is even more enticing as the some of the Quartz crystals have formed a "Faden" (German word for string) growth

This particular piece features a lovely

A fantastic display piece of Brookite from this remarkable locality

and a good overall specimen of this well-known material

there are some small Cassiterite crystals that are actually “floating” inside the Quartz crystals

Ferberite drill bit twin but this piece is evenA highly aesthetic and dramatic Ferberite specimen, not only from Bolivia, but any world locality. The biggest problem with a lot of black rocks (because of my affinity for them, I like to call them black beauties) is the fact that theyre not always terribly aesthetic. THIS piece is one of the most eye catching Ferberites Ive seen. This incredibly three dimensional and sculptural display specimen features a beautiful, sharp, very well formed, multi