Natural History - Historic Pyrite on Fluorite Mineral Specimen

A H5 chondrite showing some regmaglypts and primary fusion crust. 102 grams, 52 mm



Found near Nuevo Mercurio, Mexico, 1978.

The fall was strewn across an area about 10 km north of the village of Nuevo Mercurio, Zacatecas, Mexico, 250 km South West of Monterrey. A bright fireball, travelling North East to South West and visible over a radius of at least 200 km, exploded over north-central Mexico and scattered meteorites over an elliptical area more than 10 km in length. Only 5 kg of material has been found to date.

Displaying rich purple, red, orange and brown colours. 896 grams total, 15-30 mm



From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).

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



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.