Comprising three very large dark prismatic points. 3.12 kg total, 11.4-16 cm



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

With quartz banding, dyed blue to enhance the colouring. 790 grams, 24 cm



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

The upper front part of Merycoidodon culbertsoni oreodont fossil skull with teeth; inked collection number '85'. 755 grams, 11.4 cm



From Dakota, USA. Acquired from British Fossils, in May 1991. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; with collection no.VM85; his collection of antiquities and natural history was formed since 1948; thence by descent.

A very large section of twinned crystal wand. 334 grams, 37 cm



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

An irregular specimen with white quartz and bright pyrite. 175 grams, 74 mm



From Cornwall, UK. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.

Two sawn sections showing good Widmanstatten lines and characteristic ablated surface. 8.27 grams total, 18-32 mm



From Namibia, Africa. Acquired from Rod White, UK, 2001. From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.

Gibeon is a meteorite that fell in prehistoric times in Namibia and was named after the nearest town. The meteorite was discovered by the Nama people and used by them to make tools and weapons; in 1836 the English captain J. E. Alexander collected samples in the vicinity of the Great Fish River and sent them to London. John Herschel analysed them and confirmed for the first time the extra-terrestrial nature of the material.

Comprising; a mica slice; a cut amethyst geode half; an agate slice; an amethyst geode section, an agate geode section, and others. 1.26 kg total, 50-94 mm



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

Mixed group including Perisphinctids indogermanus ammonite, Goniatite and Orthoceras. 584 grams total, 7.4-15.5 cm



From a collection acquired on the UK art market from various auction houses and collections mostly before 2000. From an important Cambridgeshire estate; thence by descent.

Comprising an Otodus obliquus tooth made into a pendant and suspended from a cord necklace; supplied in a gift box. 7.07 grams, tooth: 35 mm



From a Cambridgeshire, UK, collection.

Polished section containing a large beetle, various flying insects and other inclusions. 9.52 grams, 93 mm



From Madagascar. From a Lincolnshire, UK, collection.

Comprising eighteen polished slices displaying banding, some dyed to enhance the colour. 382 grams total, 35-85 mm



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

A pair of rectangular panels with 'golden' flecks. 122 grams total, 63-64 mm



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