2lb 8ozs. 94mm or 3.75" approximately. Marcasite in agate sphere.
Marcasite in blue agate is a striking natural or jewelry composite stone featuring shimmering brassy-to-silver iron sulfide inclusions locked inside soft blue chalcedony, or a blue agate gemstone surrounded by small pavé-set marcasite crystals. Popular varieties originate from volcanic deposits in regions like Indonesia, showcasing feathery metallic plumes or snowflake patterns against a cool blue background.
