Natural History - Historic 'Mexico' Adamite Crystal Specimen

Comprising: iron on matrix slate from England, collection number 89; quartz from a ploughed field, Speen, near High Wycombe, Buckinghamshire, England, collection number 54; quartz from Cornwall, England, collection number 295; septarian nodule from Horsenden Hill, Ealing, Middlesex, England, collection number 216; pseudomalachite with chrysocolla, collection number 394; cut slice of crazy laced agate, collection number 248; volcanic rock, collection number 531; a cut and polished slice of agate geode from Brazil, collection number 126; citrine from Brazil, collection number 379, with an old James Walker label and invoice dated 1979. 3.46 kg total, 7.8-24 cm



Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Six specimens accompanied by an original historic index file card.

Consisting of very large, almost black crystals, collection number 607, with an old Geologisch Centrum label. 523 grams, 10 cm



Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card.

The large nugget with metallic lustre; supplied in a display box. 235 grams total, 58 mm



From Great Rock mine, Devon, UK. Collected in person in 1964. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life.

The mineral was an important ingredient in the rust-resistant paint used on Royal Navy ships and bridges. Shiny ore has also been used in glaze for pottery, decorative bricks and tiles giving it a sparkly finish.