Sterling Silver Peridot CZ Oval Ring Size 8.5
6mm X 7mm Oval Cut Zirconia
Stamped .925 Oxidized Sterling Silver 4mm shank.
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.