Natural History - Two Bags of Cut and Polished Agate Geode Slices [100]

A group of six cut and polished agate geode slices; colour-enhanced. 322 grams total, 8.8-10.7 cm (3 1/2 - 4 1/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

A group of six polished agate geode slices; colour-enhanced. 396 grams total, 8.7-11.8 cm (3 3/8 - 4 5/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

A cut and polished agate slice displaying crystals to the exposed inner surfaces; a naturally-occurring smiling face formed in the polished surface composed of two large circular eyes and a crescent-s

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]

Comprising three transparent slices showing attractive banding. 286 grams total, 9-14 cm (3 1/2 - 5 1/2 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [3, No Reserve]

A large pink agate crystal slice, polished on both faces; colour-enhanced. 484 grams, 23.5 cm (9 1/4 in.). From Antigas, Uraguay.Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No R

A massive cut and polished agate slice showing bands of blue and brown colour to the border, honeycomb quartz crystals to the centre. From the historic ‘Victorian Museum’ or later collection of Gr

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 (

Late Triassic Period, circa 225 million years B.P.. With two cut and polished faces. 344 grams, 13.5 cm (5 3/8 in.). From a Lincolnshire, UK, collection. [No Reserve]

Large agate geode cross section slice with a smooth high mirror polished finish. OOAK ( one of a kind ) color variations and design patterns seen in this example. Accompanied with a clear plastic stan

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calcite

A sawn and polished pair of natural agate geodes with several 'eyes' and cavities filled with amethyst crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bottley &

A sawn and polished pair of banded white agate geodes with brown agate rim and centre hollow lined with quartz crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bo

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

. 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

Natural stone geode statue or bookend, cut and polished. Felt pads to underside. Good overall condition, normal wear. Measures approximately 6 7/8 in. x 4 7/8 in. x 2 1/2 in. Hill Auction Gallery in h

A group of two cut and polished thick agate slices with bands of orange and brown colour, honeycomb crystals to the centre and fabric cover to the reverse. 372 grams total, 88-94mm (3 1/2 - 3 3/4"). F

Comprising lacquered porphyry slice of irregular shape, cut and polished on one side, probably recycled material mined in ancient Roman times between the 1st and 5th century A.D. 917 grams, 28 cm (11

A group of 50 cut and polished natural agate slices. 505 grams total, 36-61 mm (1 3/8 - 2 3/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

A substantial cut and polished agate slice with natural variegated brown and red bands, centre cut with an elliptical bowl shape and 'winking smiley face' to the centre, from Brazil. See Bonewitz, Dr.

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 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

A group of nine cut and polished agate geode halves in enhanced blue colour, two displaying clear internal crystal formation. 1.26 kg total, 49-70 mm (2 - 2 3/4 in.). Mineral Imports, London, UK. Greg