Calcite, Charcas, San Luis Potosi, Mexico Small cabinet 4.5 x 5.5 x 9 cm $350. Online 5/27
Stacked up group of 'poker chip' calcite with only one point of attachment near the base. The specimen has a nice pleasing arrangement of disk-like crystals showing the highly characteristic zones in creamy white and smoky gray. A dandy specimen from mining c. early 1970s. In great condition. Dr. David London Collection L-111.