Large single Grossular crystal with textbook form and good size for the locality (once known as 'Lake Jaco'). It's complete all around (with a contact indentation on the bottom where it was attached to another crystal) with good luster and is translucent with small gemmy areas. These classic large Grossulars were found in the 1960s.

Crystals of bright purple Erythrite with individual crystals to 3cm in size. Excellent for the species!

Spherical clusters of yellow Mimetite var. Campylite on matrix of Quartz coated by black manganese oxides, which provide a nice contrast to the yellow Campylite. The main crystal is perfect and exceptionally large at 1.5cm wide. An old specimen from early workings at the mine. An antique, hand written label from the Paris Natural History Museum that came with the specimen shows a date of 1906.

Large, transparent colorless Gypsum var. Selenite crystals atop cream-colored Calcite casts. The Calcite has attached and included small crystals of a golden metallic mineral, possibly Pyrite. The largest Selenite is 6.2cm and pristine. An exceptional specimen for the locality. A very artistic and sculptural specimen.

Exquisite cluster of silvery Stephanite crystals with attached Pyrite. There are 4 main crystals in the cluster, the largest 1cm on the diagonal. This is a floater group with no contacts, perfect and undamaged. A rare, superb Silver mineral, better than photos.

Large blocky single Azurite crystal with large, flat, lustrous faces. All faces are present (front, back, left, right, top, and bottom), each with varying amounts of attached reddish rock matrix. Nearly pristine with some edge chipping, a shockingly amazing big blocky crystal.