Natural History - Large 'Winking Smiley Face' Cut and Polished Agate Display

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 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 cut and polished slice of banded agate with orange and grey banding forming an interesting face-like formation to the centre of the specimen. 98 grams, 10.5 cm (4 in.). Mineral Imports, London, UK.

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.

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

. 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]

Found 2022 A.D. The cut and polished slice held in a custom-made collector's display box. 51 grams total, 84 mm wide including case (3 3/8 in.). From the Sahara Desert, North Africa. Property of a Sus

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

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

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 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 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 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]

Upper Devonian Period, 370 million years B.P.. The freestanding textured matrix containing four specimens. 1.77 kg, 18 cm high (7 1/8 in.). Ex Cambridgeshire, UK, collection. [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]

Miocene Period, circa 25 million years B.P.. Composed of several fossil sea urchins or sand dollars in a matrix. 4.6 kg, 34.5 cm (13 5/8 in.). From France.

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

A cut and polished fluorite crystal obelisk with bands of green and purple colour. 240 grams, 13cm (5"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (

A cut and polished fluorite crystal with bands of green and white colour. 175 grams, 90mm (3 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-

A pair of large prism cut fluorite polished points with bands of colour ranging from jade green, purple and clear, with 'rainbow' reflections in the body and at the points. From China; from the histor

Oligocene-Miocene Period, 38-25 million years BP. An agatised fossil coral specimen with the face cut and polished to enhance the detail, from Tampa Bay, Ballast Point, Florida, USA. 237 grams, 108mm

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 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 large cut and polished sheet of snowflake obsidian with white spherulites of albite. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly G