Chocolate dogtooth calcite, large Lodolite most apparent on the smallest

most apparent on the smallest nodule

The main smoky quartz point is over three inches and attached to several partial prisms and shard-like pieces

These polished spheres of picture sandstone are made from Arizona Sierra sandstone sourced from central Arizona

Iridescent chalcopyrite is frequently sold as "peacock ore" due to its jewel-tone mix of blue

Approx point length: 3"

Chocolate dogtooth calcite, large Lodolite most apparent on the smallestLocale: Santa Eulalia, Chihuahua, Mexico Approx size: 3. 75 x 2. 25 x 2. 25" Approx weight: 485g (about 1 lb) Known by the trade name "chocolate dogtooth calcite," this type of calcite from the famed Santa Eulalia mining district grows in hedgehog clusters of sharp dogtooth (scalenohedral) crystals. The variety gets its distinctive opaque brown appearance from iron oxides; a layer of hematite included calcite is deposited on the surface during a later