Natural History - Historic 'Australia' Boulder Opal Mineral Specimen

With stub roots. 180 grams, 74 mm



From Yakutsk, Permafrost Region, Siberia. Acquired from an old Dutch collection. From the private collection of an East Anglian, UK, collector.

Comprising: septarian nodule fragment from Horsenden Hill, Ealing, Middlesex, England, collection number 216; amethyst from Brazil, collection number 360; agate slice from Brazil, collection number 364; pyrite and chlorite in matrix slate, collection number 46; calcite, collection number 366; arogonite from Somerset, England, collection number 166; gabbro from Visingso Lake, Sweden, collection number 255; a cut and polished agate geode half, collection number 419; two sand crystals from Canterbury Sand Pit, Kent, England, collection number 173; arsenopyrite, collection number 471; chalcopyrite from North Transvaal, South Africa, collection number 193; aragonite from Spain, collection number 156; and a number of other mineral specimens without collection numbers. 677 grams total, 0.9-15.7 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. Two lots accompanied by an historic index card.

Comprising nuggets of small crystal clusters. 911 grams total, 19-30 mm



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