A section of white stalagmite showing natural ripples to one face. 2.28 kg, 39 cm



Ex West Country, UK, collection, 1990s.

A rounded matrix containing a number of Ophiuroidea sp. specimens. 740 grams, 19 cm



From a Lincolnshire, UK, collection.

The terminal of a droplet containing five flying insects and other inclusions, repaired. 3.34 grams, 80 mm



Private collection, Essex.

An irregular slab showing typical banding. 396 grams, 26.5 cm



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

Large polished section with numerous inclusions and small internal areas of iridescence. 138 grams, 14.6 cm



From the private collection of a London gentleman, from his grandfather's collection formed before the early 1970s.

Comprising a number of large, mainly clear prismatic points. 1.37 kg total, 7.2-11.2 cm



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

Including: sodalite, malachite, citrine, peacock ore, green fuchsite, and others. 1.55 kg total, 4.2-10 cm



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

A small rounded quartz crystal lined pebble split into two halves. 58 grams total, 31-42 mm



From a Cambridgeshire, UK, collection.

Restrung using recently polished Mammuthus primigenius bone beads. 200 grams, 56 cm



Ex West country, UK, collection, 1990s onwards.

The mammoth lineage branched from the Asian elephant around 6 million years ago, and later on the Woolly Mammoth, Mammuthus primigenius, evolved in eastern Siberia. Woolly mammoths, being slightly smaller than living African elephants, were foragers and ate grass, as well as small, nutritious flowering plants that flourished in the environment where they lived. They may also have used their curved tusks to dig through snow and eat plants that other foragers were unable to reach.

A large unpolished cut boulder showing some botryoidal formations. 3.21 kg, 15.7 cm



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

Comprising two Elrathia kingii specimens. 73 grams total, 67-82 mm



From Morocco, North Africa. From a Lincolnshire, UK, collection.

Polished to a rounded shape and lined with deep-coloured prismatic crystals; mounted on a custom-made display stand. 817 grams total, 11 cm (15.3 cm including stand)



From a Lincolnshire, UK, collection.