Showy miniature sized specimen of transparent cubes of Fluorite atop Sphalerite with a small amount of white Calcite crystals accenting the lower left. The Fluorite cluster is 2cm in size. Very nice piece!

Stalactitic formation of yellow/orange Calcite sprinkled with Galena crystals. Both ends are broken showing the Calcite crystals structure.

Old Mexican Mimetite specimen with particularly bright yellow coloration.

Thick, wavy sheets and masses of Copper. Specimen is almost entirely Copper with a bit of rock matrix mixed with Copper at the base.

Beautiful, slightly skeletal crystal of Copper. Complete all around and undamaged with a slightly irridescent surface.

Multiple somewhat flat sheets of Copper crystals that grew in fractures around the now mostly gone matrix, leaving a sculptural mass of good crystals.

Thick, heavy formation of solid Copper with a minor amount of attached Calcite. Comes with an old British Museum of Natural History label.

Flat sheet of Copper covered by acicular Chalcotrichite (needle-like form of Cuprite).