Natural History - Polished Malachite Display Piece

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

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 polished piece of beautifully figured malachite, with numerous 'eyes' exposed on the polished surface. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); fo

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

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 one-off polished malachite mineral specimens of good quality malachite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 119 grams total, 25-46mm (1/4 - 1 3/4"). From the

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

. Comprising irregular sections with one polished face, including single and one treble stalactite sections. 393 grams total, 40-70 mm (1 1/2 - 2 3/4 in.). From Democratic Republic of the Congo. Ex Mi

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]

A large piece of gypsum, or 'desert rose', with multiple sheets of white crystals flattened on the crystallographic axis, fanning open into clusters of nodules. Found North Africa; from the historic �

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��

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

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

A piece of sawn malachite with lustrous green, blue and black clolouring. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottle

A tray carved from a tick piece of banded carnelian, with a felt back. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.230-231. 255 grams, 11.8cm (4 1/2"). From the historic ‘Victorian Mus

Jurassic Period, 201-145 million years BP. A cut and polished piece of limestone with numerous belemnite fossils showing internal mineral structure; label to the back reading; 'Jurassic Lower Lias Pol

20th century AD. A group of turned and polished agate disc gaming pieces. 380 grams total, 29mm (1 1/4"). Property of a Hampshire collector; from Mexico. [42, No Reserve]

. A 500 carat group of tumble-polished tourmaline pieces, principally of green but also with some blue and red, from Brazil. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008 p.288-289. 108 grams

A large piece of gypsum, or 'desert rose', with multiple sheets of frosted white crystals flattened on the crystallographic axis, fanning open in radiating flattened crystal clusters. Found North Afri

Three-piece group of natural stone items comprising: two partially polished malachite bowls or ashtrays, and a mixed stone lidded onyx box with specimens such as lapis lazuli and tiger's eye. Unmarked

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