Aragonite crystals, a selection of specimens of this crystallized mineral species. Aragonite is a mineral, and here you’ll find a number of collectors’ items presented with a description, one or more photos and sometimes a video. These aragonites are for sale.
It is calcium carbonate, chemical formula CaCO3, of the orthorhombic crystal system, a polymorph of calcite, of the same chemical composition, but crystallizing in the trigonal system.