Blue Chalcedony with Stilbite / 2-5" AVG - 1 LB. LOT menu stars Length (mm): 13

Length (mm): 13

and sedimentary rocks

Polished Caribbean Calcite Palm Stones

Length: 3

They make lovely geode gifts

Blue Chalcedony with Stilbite / 2-5" AVG - 1 LB. LOT menu stars Length (mm): 13Quantity: 1 pound Average size range: 2 to 5 inches Chalcedony is a silica based mineral composed of very finely woven growths of moganite and quartz. Naturally appearing in shades of white, grey, blue, and brown, samples of carved chalcedony have been found from sources as early as Minoan Crete and first century Afghanistan. Agate, onyx, and bloodstone are all varieties of chalcedony. This chalcedony may contain varying amount of stilbite or other