Natural History - Polished Seymchan Meteorite Slice

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

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

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]

. Two amorphous slices of NWA 2947 chondrite meteorite displayed in a collector's case. 5.77 grams total, 32 mm including case (1 1/4 in.). From the Sahara Desert, North Africa. Property of a Sussex,

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

Fell 2000 A.D. A cut slice of NWA 073 L6, held in a perspex collector's case. 5.03 grams total, 32 mm wide including case (1 1/4 in.). From the Sahara Desert, Morocco, North Africa. Property of a Suss

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]

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 highly polished rectangular slice of the Seymchan meteorite with an exceptional number of transparent olivine inclusions. See Graham, A.L., Bevan, A.W.R. & Hutchison, R. Catalogue of Meteorites, Lon

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 fine, polished slice of rhodonite with a classic mix of red and black. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottle

Triassic Period, 250-200 million years BP. A polished slice of fossilised wood from Madagascar. 311 grams, 14cm (5 1/2"). From an old Bristol paleontological collection, acquired 1950s-1960s. [No Rese

. 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 fine slice of natural banded agate with numerous colour bands, and with fine bands producing a rainbow effect, the hollow centre lined with quartz crystals. See Bonewitz, Dr. Ronald Louis, Rocks & M

Triassic Period, 250-200 million years BP. A large slice of polished fossilised wood from Madagascar. 848 grams, 22cm (8 3/4"). Property of a Lincolnshire, UK, gentleman; acquired on the UK art market

A sawn slice of zoisite containing a hundred or more opaque ruby crystals, polished on one side. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly G

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 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

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

Triassic Period, 251-199 million years B.P.. Polished on one side to show the dark brown banding with a central 'lava-like' dark red banding radiating from a small quartz filed cavity. 753 grams, 20 c

Devonian Period, 417-354 million years BP. A rectangular stone block displaying orthoceras fossils, polished on all six faces. 8 kg, 30 x 7 x 14cm (11 3/4 x 2 3/4 x 5 1/2"). Property of a London gentl

A large polished boulder of labradorite from Madagascar, with rich colour play on most faces, principally blues and golds. 2.99 kg, 18cm (7") From Madagascar; from the historic ‘Victorian Museum’

Jurassic Period, circa 199-145 million years B.P. A composite plate containing a large number of variously sized ammonites, polished upper face. 835 grams, 24.7 cm (9 3/4 in.). From Madagascar. From a