Sparkling sky blue Hemimorphite from Mfouati. Beautiful translucent Hemimorphite on matrix. The top surface sparkles and it has a good overall shape.

Sparkling blue/green Smithsonite and layers of Aurichalcite on matrix. The top surface sparkles and the color is just gorgeous.

Well saturated purple pink crystals of Cobaltian Calcitewith crystals to 1cm in size. Undamaged and sawcut on back. Old material from the Chuck Trantham collection.

Crystals of vivid pink Cobaltoan Calcite on matrix. The specimen has a mixture of smaller, lighter pink crystals and larger rhombic crystals to 6mm with a deeper pink coloration. Large and colorful Congo classic.

Sharp, isolated crystals of translucent Veszelyite spinkled across the surface of velvety sky blue Plancheite. This is an old specimen, likely from the 80s or 90s, that I've owned for about 25 years. The Velzelyite form sharp, distinct individual crystals to 3mm in size. There is an old collection number painted on the bottom that was there when I bought it.

Dark olive green botryoidal Kolwezite atop rhombs of vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. The Kolwezite is partially coated by bright green Malachite in areas. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. Highly colorful and beautiful large display piece.

Sparkling deep blue Hemimorphite on matrix. The top surface sparkles and there is good Hemimorphite on both sides.

Cluster of solid Dioptase crystals without matrix. Good crystals all over, front and back, top to bottom.

Botryoidal blue Hemimorphite with attached crystals of Cerussite and Malachite. Colorful specimen!

Bladed crystal groups of green Malachite atop bright pink Cobaltoan Calcite. There are smaller deep emerald green crystal groups atop the bladed Malachite.

Sparkling sky blue Hemimorphite on matrix. The top surface sparkles and the color is just gorgeous. Good Hemimorphite on all sides.

Cluster of spherical Malchite atop Dioptase crystals from the Sanda Mine. This is a matrixless cluster of Dioptase crystals that includes a large 2.5cm crystal. The crystal is not only very large, but also undamaged, well proportioned to the specimen, and balanced by the cluster of Malachite. Ex. Len Pisciotta collection. Comes with an old Andy Seibel label showing a price of $1250 and offered today at this same old price.

Large fan-shaped cluster of velvety green Malachite atop a matrix of fibrous Malachite intergrown with blue Chrysocolla. There are 5 crystals of octahedral Cuprite attached to the fan-shaped formation of Malachite. Unusual and colorful.

Well formed, deep purple/red crystals of Sperocobaltite that contrast well against the white matrix. Ex. Erich Laskowski collection.

Sparkling blue/green translucent Smithsonite on matrix. The top surface sparkles and the color is just gorgeous.