Comprising: dioptase on mottramite from Brazil, collection number 118; granite from adjacent to Ruislip Road, Greenford, Middlesex, England, collection number 467; chalcopyrite from Messini Mine, North Transvaal, South Africa, collection number 207; bornite of chalcopyrite from Massini Mine, North Transvaal, South Africa, collection number 210; quartz from England, collection number 133; Blue John from Derbyshire, England, collection number 148; apatite in calcite from Canada, collection number 388; fluorite in biotite, collection number 103; pyrite in quartz from Darwin, California, USA, collection number 422. 988 grams total, 32-91 mm (1 1/4 - 3 5/8 in.).

Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Each specimen accompanied by an original historic index file card. [9, No Reserve]