A magnificent elongated crystal of copper (that appears to be a modified octahedron) with a marvelous reddish to black (tenorite?) patina and minor white quartz attached. Comes with its own base. 360 display specimen.

A very sharp group of elongated copper crystals with a group of branching crystals emanating from one side. Great patina and form. Ex. N. Stotzel  Coll.

Very sharp, elongated crystals (they look like dodecahedrons) of native copper with a good patina and some minor matrix. Older specimens from the 50’s, with the Ford label.

Sharp crystals of copper with a great patina forming branching formations and elongated (spinel?) crystals with some matrix attached. Choice old timer from the early 1900’s or late 1800’s.

A choice specimen of lustrous medium purple sharp crystals of creedite forming beautiful sprays. Ex John Barlow piece with his label.

A bright red single bipyramidal octahedron of cuprite with exceptional mirror luster and translucency, sits on a matrix with minor chrysocholla.

A group of octahedral cuprite crystals sit in the middle of an intergrown conglomerate of copper replacing bi-pyramidal octahedrons of cuprite. Excellent example of this pseudomorph.

A textbook bipyramidal diamond octahedron with a pleasing yellow color, great luster and textbook form. Choice!

Brilliant deep green sharp crystals of dioptase on a snowy calcite matrix. Very showy large TN!

Bright lustrous deep green crystals of dioptase averaging 3 to 4 MM, individually scattered and grouped aesthetically over a group of pastel calcite rhombs.