Natural History - Polished Stone Ball

In enhanced dyed purple colour, opened to reveal the internal crystal filled cavity. 83 grams total, 51 mm each



From a Cambridgeshire, UK, collection.

Comprising: a cut and polished agate slice from Brazil, collection number 35; brown calcite from Brazil, collection number 109; septarian nodule section from Horsenden Hill, Ealing, Middlesex, England, collection number 216; aurichalcite, collection number 365; lepidolite, collection number 544; phantom calcite from Mexico, collection number 209; calcite from Riesengebirge, collection number 481; rutilated quartz from South Africa, collection number 291; baryte from Winster, Derbyshire, England, collection number 174. 989 grams total, 56-78 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. Seven specimens accompanied by an original historic index file card.

Of irregular shapes with one polished face to display attractive banding. 240 grams total, 37-70 mm



From Democratic Republic of the Congo. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).