Ullmannite with Briethauptite and Calcite Cabinet-Sized SpecimenUllmannite with Briethauptite and Calcite Mt. Narba Mine San Vito, Cagliari Province Sardinia, Italy 170 grams 2. 87 in x 1. 81 in x 1. 34 in The rare mineral Ullmannite combines here with Briethauptite and Calcite to create a contrasting and lovely milky white center scattered with metallic clusters. A rare specimen from Sardinia, Italy.

The main crystal is a large 3

Lighter than most Baryte specimens with an earthen feel to it

Smoky gray and Amethyst purple combine in this ambient beauty of Quartz

Good Hedenbergite specimens are hard to find

prismatic crystals crisscross one another to create a triangular formation of clear Quartz

Weight: 536 grams

Fibrous crystals of Baryte form in botryoidal pattern make up this cabinet-sized specimen from Hungary

An excellent albeit small specimen of a rare mineral on a common mineral

The various angles of the octahedrons create a dimensional look on a rounded surface

A fantastic miniature-sized specimen with an interesting growth pattern

Pyramidal shaped and miniature-sized specimen

Singly terminating and well-formed single crystal with transparency