Cornish Mineral Specimen Collection A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: fluorite; goethite and quartz; amethyst; childrenite; fluorite on quartz; chalcosiderite. 1.1 kg total, 41-93 mm (1 5/8 - 3 5/8 in.). From Cornwall, UK. De-acquisitioned from a private Cornwall, UK, collection. [6, No Reserve]