Barite on Calcite from Elk Creek DX476 rainbows and there is minor zoning

and there is minor zoning of very light purple at the edges

this distinctive agate forms within volcanic rocks

is an exceptional gemstone that mineral collectors treasure

Peter has decades of experience carving gemstones

Barite on Calcite from Elk Creek DX476 rainbows and there is minor zoningBarite on Calcite from Elk Creek Approx. Dimensions: 3. 5x2. 75x2. 25 inches Approx. Weight: 421 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