S23024 – Copper

A particularly appealing copper miniature without damage. Extremely sharp and complicated network of twins that show off antique patina of natural metallic red flash.

S23026 – Copper

An attractive piece in good condition with lustrous, metallic, copper-red patina. Twinning is similar to a feather and each side exhibits it well.

S20930 – Copper

An extremely sharp and complicated network of copper that shows off rich antique patina of natural bright metallic red flash. This is a particularly appealing miniature without damage.

S20735 – Copper

This is an incredibly fine example of twinned copper. Just look at it! A copper forming a perfect feather of mesmerizing fringed twins. An exemplary specimen in this size range and remarkable to see in person.

S18358 – Copper

This is an extremely fine thumbnail of copper, a sharp, bright, well-formed, spinel-law twin. Its metallic rust-red features contribute to its overall quality, which is very good! The solid crystal measures 3 cm in length.

S18017 – Copper

A really attractive, sharp fan of intergrown copper that is all crystal. The skin of the specimen shows off rich antique patina of natural bright metallic red flash. All of the feathers are elaborate, dagger-shaped crystals without tenorite coatings, and the piece exhibits not only one but three superb twins.