Dark blue Boleite crystals and white Anglesite crystals are scattered across both sides of a fibrous white Gypsum matrix. It's unusual to see Boleite on this type of matrix.

Double terminated Quartz crystal colored by inclusions of Montmorillonite (a type of clay). These unusual crystals are a byproduct of Tourmaline mining and were only found occasionally in some of the San Diego mines. Very sharply terminated, hollow in two areas, and highly lustrous crystal faces. This is a great example.

Large glassy blue Topaz crystal complete all around with etched faces and water-clear transparency. The crystal detached in the pocket and is naturally etched all around. Weighs approximately 79 grams.

A classic cabinet size Michigan Copper specimen with minor Quartz and a few patches of bright native Silver. There is also a cavity with larger crystals that have a red patina. Weight is 1lb, 9.6oz, or 727 grams.