Double-terminated, transparent yellow Thaumasite crystal. Thaumasite is a rare mineral in the Ettringite group, the best were found at the N'Chwanning. This is an old piece I bought from Clive Queit at the Tucson show about 20 years ago. He had a number of specimen at the time, but this is one of very few double-terminated crystals I've ever seen.

Purple Herderite crystals to 2cm atop platy Siderite crystals, all over Albite. Comes with an old Roberts Minerals label.

Cluster of thick blue Aquamarine crystals with a 3cm pink Apatite crystal, along with minor amounts of Muscovite and Quartz crystals.

Numerous glossy black Neptunite crystals on white Natrolite. Thick crystals to over 2cm long.

Two masses of rounded Malachite in a Chrysocolla lined vug. The upper Malachite has a perfect spherical form. The Chrysocolla is coating other crystals including some that are Quartz crystals, and possibly other species as well. Old, uncommon Mexican specimen.

Aesthetic spray formation of Stibnite crystals. Highly lustrous metallic crystals in great condition and good on both sides. Ex. Cliff Kruger collection.

Silvery, metallic Magnetite crystals from an obscure old iron mine in southern California. Largest Magnetite is 2.5cm wide.

Fine quality, complete pseudomorph of Limonite after Pyrite. Striations on the surface from the original Pyrite are evident. From the Judy & Chris Cook pseudomorph collection.