Barite on Calcite from Elk Creek DX472 rings Natrolite Geode

Natrolite Geode

33 gram Sulfur Crystal Specimen

Weight: 1359 grams

” The chlorite—typically a group of green sheet silicate minerals—can form distinct growth zones that mark earlier stages of quartz development

Peruvian Pink Opal Freeform

Barite on Calcite from Elk Creek DX472 rings Natrolite GeodeBarite on Calcite from Elk Creek Approx. Dimensions: 3. 5x2. 5x2. 25 inches Approx. Weight: 309 grams Locality: Elk Creek, Meade County, South Dakota Elk Creek, South Dakota, is world renowned for producing some of the finest gem quality barite crystals, often found on a contrasting matrix of yellow fluorescent calcite. These specimens are highly sought after by collectors for their intense amber, honey, or "root beer" coloration and exceptional