Natural History - Boxed Polished Malachite Section Group [15]

Each with at least one polished face to reveal the attractive banding; some pierced for threading. 244 grams total, 17-46 mm (5/8 - 1 3/4 in.). From Democratic Republic of the Congo.Ex Mineral Imports

Each with one polished face to display the internal contrasting banding. 308 grams total, 22-43 mm (7/8 - 1 5/8 in.). From the People's Democratic Republic of Congo.Ex Mineral Imports, London, UK.Greg

A group of eight agate geode sections. 3.5 kg total, 85-96 mm (3 3/8 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [8, No Reserve]

A group of six cut and polished circular malachite coasters with pale and dark green banding. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); form

A nodule of malachite with lustrous sheen of pale and dark green, section cut from top showing internal structure. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Ll

A group of ten one-off polished malachite mineral specimens of good quality malachite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 119 grams total, 25-46mm (1/4 - 1 3/4"). From the

. Comprising irregular sections with one polished face, including single and one treble stalactite sections. 393 grams total, 40-70 mm (1 1/2 - 2 3/4 in.). From Democratic Republic of the Congo. Ex Mi

A group of six cut and polished purple agate geode sections, with exposed crystals; colour-enhanced. 1.39 kg total, 69-94 mm (2 3/4 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (

Triassic Period, circa 250-200 million years B.P. A cut and polished section of fossilised tree with some fine detail. 329 grams, 15 cm (5 7/8 in.). From Madagascar. From a Cambridgeshire, UK, collect

A group of ten fossil branch sections of varying length and thickness. 1.2 kg total, 6.3-10.7 cm (2 1/2 - 4 1/4 in.). From Madagascar. Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's).

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-section

A group of three highly-polished pallasite meteorite slices, all triangular in section, showing numerous olivine inclusions in a base of iron-nickel. 38 grams total, 45mm average (1 3/4"). Property of

A large piece of cut and polished malachite with lustrous sheen of pale and dark green, pale crystals between nodules. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley

A polished piece of beautifully figured malachite, with numerous 'eyes' exposed on the polished surface. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); fo

A mixed group of polished mineral 'eggs' including onyx, amethyst(?), serpentine(?"). 484 grams total, 48-64mm (2 - 2 1/2"). Ex Thompson collection, Devon, UK. [4, No Reserve]

20th century AD. A group of six mottled grey and pink agate discoid coasters. 500 grams total, 88mm (3 1/2"). Property of a Hampshire collector; from Mexico. [6, No Reserve]

A mixed group of 50 polished mineral 'pebbles'. 1.12 kg total, 31-45 mm (1 1/4 - 1 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

A mixed group of 50 polished mineral specimens of various types, including haematite, quartz, red jasper, unakite, angelite, and others. 1.19 kg total, 27-44 mm (1 - 1 3/4 in.). Mineral Imports, Londo

A mixed group of 100 polished mineral 'pebbles'. 1 kg total, 20-34 mm (3/4 - 1 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]

A pair of fluorite spheres displaying white, green and purple crystal formation and with rainbow reflections; both in a white cardboard display box. From China; from the historic ‘Victorian Museum��

A group of five polished mineral 'eggs' in onyx, banded agate, serpentine(?"). 1.3 kg total, 69-80mm (2 3/4 - 3 1/4"). Ex Thompson collection, Devon, UK. [5, No Reserve]

A group of four cut and polished agate nodule ends with bands of colour and crystalline growth. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); fo

Devonian Period, circa 417-354 million years B.P. Comprising three polished, dome-shaped masses, each with a central Goniatite sp. specimen. 368 grams total, 70-75 mm (2 3/4 - 3 in.). From the Atlas M

A group of two cut and polished amethyst points with flat bases, a deep purple colour, and rainbow reflections. From Brazil; from the historic ‘Victorian Museum’ or later collection of Gregory, Bo