With well-defined moderately vaulted exoskeleton, on a matrix. 423 grams, 10.9 cm
From a Cambridgeshire, UK, collection.
The colours ranging from light pink and green to light brown; each in a cardboard tray. 335 grams total, 19-32 mm
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
The large specimen on a cut matrix with smaller ammonites and bivalves. 22.2 kg, 42 cm
From the Yorkshire coast, UK.
From a Lincolnshire, UK, collection.
With large well-formed crystals; supplied in a labelled cardboard tray. 225 grams, 66 mm
From Mexico.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
Comprising over fifty teeth of various sizes and types. 47 grams total, 13-34 mm
From a Norfolk, UK, collection.
Showing delicate layering; the internal cavity filled with small lavender-coloured amethyst crystals; one with brown calcite formation. 747 grams total, 96 mm each
From Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
Comprising mixed tumble polished banded agate and other stones; each pierced centrally for stringing. 340 grams total, 21-31 mm
UK gallery, early 2000s.
Each in a labelled specimen tray, comprising: chrysocolla, tourmaline, kyanite, ulexite, bornite, orpiment, rubellite, optical calcite, calcite, sulphur, white calcite and realgar. 147 grams total, 23-31 mm
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
Comprising three irregular matrices, each with plant fossils. 128 grams total, 59-75 mm
From a Lincolnshire, UK, collection.
Cut to a freestanding shape with two polished faces. 703 grams, 10.4 cm
From a Lincolnshire, UK, collection.
With radiating and elongated lead-grey crystals. 54 grams, 50 mm
Collected in person from various parts of the world mainly between 1957-1966.
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.
In enhanced dark purple colour. 1.6 kg total, 58-76 mm
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).