Natural History - Polished Orthoceras Tower Display

Silurian Period, 400 million years BC. A free-standing pillar of orthoceras-rich matrix, with four specimens exposed and polished. 1.4 kg, 23cm (9"). From an important London collection, acquired in t

Palaeozoic Period, 350 million years BP. A polished display plate of Orthoceras regulare, showing the fossil structures. 1.7 kg, 24.5cm (9 3/4"). From an old Cambridge, UK, collection; from the Atlas

Devonian Period, circa 417-354 million years B.P. The extinct nautiloid cephalopod polished to reveal the internal gas chambers and set on a textured freestanding matrix. 15.8 kg, 1.01 m (39 3/4 in.).

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

Devonian Period, circa 417-354 million years B.P.. Each polished and cut from a single block containing multiple Orthoceras sp. and other fossil specimens. 1.95 kg total, 12.2 cm high (4 3/4 in.). Fro

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 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

Ordovician Period, 360 million years BP. A large cut and polished straight cephalopod Orthoceras sp. 295 grams total, 12.5cm (5"). From an old Lincolnshire collection 1980s; from Erfoud, Morocco, Nort

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]

Devonian Period, circa 417-354 million years B.P. Both set on a textured freestanding matrix and polished to reveal the internal gas chambers. 810 grams, 16 cm high (6 1/4 in.). From a Cambridgeshire,

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.

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 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��

An exceedingly fine display specimen of labradorite, polished on one side, with blue, yellow, and green 'schiller' on the entire polished side and blue schiller on the unpolished back face. From Madag

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

Polished Display Tower Specimen of Orthoceras Fossil Orthoceras, meaning "straight horn", is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones from the Bal

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

Devonian Period, c.400 million years B.P.. A freestanding fossil Orthoceras sp. display tower, showing several polished individuals. 1.56 kg, 26.7 cm (10 1/2 in.) Atlas Mountains, Morocco, North Afric

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

Devonian Period, 417-354 million years B.P. A pair of polished fossil book ends, each trapezoidal and displaying a raised Orthoceras sp. fossil. 2 kg total, 12 cm high each (4 3/4 in.). From Morocco,

Jurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, U

Large Orthoceras Fossil plate 5 spear display specimen from Morocco. The front has been polished while the back remains natural. Orthoceras (“straight horn”) is a genus of extinct nautiloi

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