Ferberite Chlorargyrite It's not completely unstable like

It's not completely unstable like decomposing Limonite and it provides a much more appealing contrast than ordinary Pyrite

or a collector of native elements

It’s amazing to me that you can see all sides of the “cogwheel” as it’s not buried into the Pyrite matrix

Specimen # BOL711B75

Ferberite Chlorargyrite It's not completely unstable likeOne of the most attractive miniature sized specimens of twinned Ferberite from Tasna that I have offered. The piece features not one, but two eye catching twins of Ferberite which are aesthetically intergrown to create a lovely display specimen. An associated gem quality Quartz crystal on the base of the specimen is a great touch. A very small nick on the top of the piece is the only spot of damage that I can see on the display side (the piece is