Sterling Silver Diamond CZ Marcasite Ring Size 9
Oxidized Stamped .925 Sterling Silver High stone girdle. Square 3mm Marcasite and smaller round Marcasite
Marcasite is a metallic, black-grey stone, similar in chemical makeup to pyrite, but different in crystal structure. It is machine cut and polished, giving jewelry made with it an antiqued vintage look.
Cubic zirconia is crystallographically isometric,
an important attribute of a would-be diamond simulant.