Natural History - Polished Stone Coaster Group

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 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 group of ten acrylic display domes, each filled with a quantity of polished specimens of a single mineral, comprising of sodalite, green agate, snowflake obsidian, leopardskin stone, tiger-eye, brec

20th century AD. A mixed group of chessmen in grey, tan and black polished stone. 553 grams total, 23-43mm (1 - 1 3/4"). Property of a Hampshire collector; from Mexico. [66, No Reserve]

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]

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

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

A group of six polished gemstone eggs including: marble, jasper, fossiliferous limestone, etc. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); for

Middle Cretaceous Period, circa 150 million years B.P. Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. 160 grams t

. Each polished to expose the layers of the inner core; felt-backed. 774 grams total, 11-13.5 cm (4 1/4 - 5 1/4 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [6, No Reser

20th century AD. A mixed group comprising: three stone goblets, each with flared base, short stem and tapering body; four tubular stone vessels. 644 grams total, 61-90mm (2 1/2 - 3 3/4"). Property of

20th century AD. Two sets of thirty-two chessmen carved in black and mottled grey stone. 1.5 kg total, 31-44mm (1 1/4 - 1 3/4"). Property of a Hampshire collector; from Mexico. [64, No Reserve]

A pair of cut and polished rose quartz points of a pale pink colour with rainbow reflections. From Brazil; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gre

Banding displaying a variety of colours, some containing quartz crystals. 1.3 kg total, 31-49 mm (1 1/4 - 2 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

Large group of cut and polished rocks and geode slabs. Sizes range from 2" to 9".

. Superb examples exhibiting finely formed dendrites of manganese oxide. 623 grams total, 11.1-14.5 cm (4 3/8 - 5 3/4 in.). From India. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregor

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