Natural History - Kalahari Desert Windstone Group

Group of five wind-rounded pebbles with their individual hollowed out 'nests', from the Kalahari Desert region, western Africa; each set provided with a hessian draw-ribbon pouch. 889 grams total, 50-

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

Large group of petrified wood, rock and crystal specimens in shades of pink and brown. Sizes range from 1 1/2" to 9".

Found Sahara 2006 A.D.. Comprising ten variously sized samples. 17.6 grams total, 15.3-19.4 mm (1/2 - 3/4 in.). Ex Adrian Contreras, Crater Meteorites, Spain.Property of an East Sussex, UK, gentleman.

Found Sahara 2006 A.D.. Comprising fourteen variously sized samples. 22.3 grams total, 13.6-22.4 mm (1/2 - 7/8 in.). Ex Adrian Contreras, Crater Meteorites, Spain.Property of an East Sussex, UK, gentl

A wind-rounded pebble with the individual hollowed out 'nest'; provided with a hessian draw-ribbon pouch. 239 grams total, 41-75mm (1 1/2 - 3"). From the historic ‘Victorian Museum’ or later colle

A natural history group consisting of two (2) pairs of natural horns from kudu, antelope or similar wildlife herd animals. Long curving spiral shaped arrays in naturally twisting corkscrew configurati

[NATURAL HISTORY]. A group of 5 volumes, including: AGASSIZ, Louis. Contributions to the Natural History of the United States. Boston: Little, Brown & Company, 1857. Three parts in two volumes, folio.

. Irregular mass with a natural fracture line. 80 grams, 71 mm (2 3/4 in.). From the Sahara Desert Morocco. From an old Oxfordshire, UK, fossil and mineral collection. [No Reserve]

. A very large selenite gypsum 'desert rose' composed of blades of selenite with gypsum sand inclusions. 3.1 kg, 22 cm wide (8 5/8 in.). From a Humberside, 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 �

Six Natural History SpecimensGroup of six various natural history specimens: four petrified wood pieces, stromatolite slice and orthoceras plaque; L: 11 3/4" (longest)

(NATURAL HISTORY.) Mark Catesby. Group of 3 hand-colored engraved plates from The Natural History of Carolina… Folio sheets of laid paper with various watermarks; faint mat line, minor flaws. Lo

A group of six gemstone spheres, comprising one each of snowflake obsidian, gold tiger eye, unakite, limestone breccia, howlite, and sodalite, in white card trays with name of mineral. See Bonewitz, D

Jurassic Period, circa 200 million years B.P. Promicroceras planicosta with iron stained surface giving a beautiful contrast in colour, from the Lower Lias, Obtusum Zone. 42.53 grams, 67 mm (2 3/5 in.

[NATURAL HISTORY & TRAVEL]. A group of 5 works, comprising:  LYTTON, Edward George Earle Bulwer, 1st Baron Lytton. Last Days of Pompeii. London: Richard Bentley, 1834. 3 volumes. Contemporary hal

A group of fifty two amethyst cabochons of varying shapes, all cut with high domes. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottl

Eocene Period, 58-36 million years BP. The group comprises a Knightia alta (upper) and a Diplomystus sp. (lower) fossil fish, on the matrix plaque. 612 grams, 22.5cm (8 3/4"). From the Pradi Collectio

A group of fifty seven gemstone cabochons of varying shapes and sizes mostly cut with high domes, including amazonite, rose quartz, amethyst, banded agate, jaspertiger eye, and rhodonite. From the his

A group of two North African meteorites of stony type with smoothed surface. 56.2 grams total, 33mm each (1 1/4"). Property of a London gentleman; acquired in the 1970s. [No Reserve]

A group of nine circular, low dome gemstone cabochons including bloodstone, rhodonite, moss agate, sodalite, and various jaspers. From the historic ‘Victorian Museum’ collection of Gregory, Bottle

A group of twenty-seven natural geode halves with quartz crystals from Brazil, each cut with a polished face. 1037 gram total, 37-70mm (1 1/2 - 2 3/4"). From an old Lincoln Collection [27, No Reserve]

A group of two banded purple fluorite pyramids, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.172-173. 122 grams, 37mm (1 1/2"). From the historic ‘Victorian Museum��

Early Jurassic Period, Lower Lias stage, 200-195 million years BP. A group of ten small pyrite ammonites, mainly Crucilobiceros densinodulum and Promicroceras sp from Pentacrinites Band, Stonebarrow,