Uncommon matrix specimen of Cafarsite with a well placed 8mm crystal. Cafarsite is a rare calcium, titanium, iron, manganese arsenate mineral. From the type locality.

Water-clear single Quartz crystal from the La Gardette Mine in France, which dates back to the 17th century. The crystal is totally transparent, like a piece of cut glass, much more so in person even than the photos. A natural jewel of a crystal.

Single purple Herderite crystal that has rich color and is translucent to transparent. Complete all around and undamaged, fine quality single crystal.