Geological Mineral Reference Specimen Collection

Mineral specimen collection, (7) pieces, incl. a polished rock crystal orb, loose on bronze modernist stand, quartz specimen, geode half on brass stand (possibly agatized coral with botryoidal), (2) m

United States,20th Century Collection of over seventy three mineral specimens including amethyst, galena, chalcopyrite, obsidian, fluorite, chalcedony, vanadinite, sulfur, petrified wood, gypsum, born

Geode and mineral specimen collection, (15) pieces including a large polished malachite, 3.5"h x 8"l x 3.5"w, 2 amethyst geodes, a pair of polished agate bookends, a polished sphere with geode inclusi

A four drawer case with a nearly complete set of specimens (seven missing) and another identical case with unlabeled and jumbled specimens. Dimensions: Each case is 13" x 20" x 9". Provenance: From a

Mineral specimen collection, each specimen mounted in box frame, bearing illegible signature lower right. Overall: 23.5" square x 2" D.

Lot of 5 natural crystals cut and polished. Three natural stone geode statues, one onyx bird statute and a clear crystal stone. Good overall condition, normal wear. Largest stone measures 4 1/2 in x 4

A group of 15 mixed mineral specimens, including: citrine druse (2), aragonite 'sputniks' (2), tourmaline in quartz, amethyst, banded jasper, clay in quartz 'porcupines' (3), natural agate slices (3),

Comprising: popcorn quartz, amethyst, agate, smoky quartz, brown obsidian, citrine, pyrite, 'desert rose', and others. 823 grams total, 23-81 mm (7/8 - 3 1/8 in.). Ex Mineral Imports, London, UK.Grego

A large group of various minerals comprising: optical calcite, muscovite, amethyst, lepidolite mica, pyrite, realgar orpiment, topaz, rubellite, malachite, satin spar, petrified wood, an amethyst pend

An eclectic collection of mineral specimens in labelled collector's boxes comprising: fluorite, apache tear, petrified wood, specular hematite, red and orange calcite, quartz, ruby in zoisite, chiasto

A mixed group of eleven historic mineral specimens, each held in a white card collector's tray, including pyrite, wroewolfeite from Cornwall, tin from Pendarves mine Cambourne, thaumasite, tiger's eye

A mixed group of 10 historic minerals of various types, held in white card collector's trays, including an example accompanied by a Gregory, Bottley and Lloyd label reading 'Metacinnabar. Mt. Diablo M

A group of 14 mineral specimens including fluorite, fluorite and mimetite, calcite with pyrite, apophyllite (2), calcite stalactite, amethyst, tabular aragonite, amethyst druse, galena and chalcedony,

A mixed group of mineral specimens comprising: pyrite; malachite; ruby; smoky quartz; rutilite; pink and green Iceland spar; chalcopyrite; grussular garnet; each in collector's card tray with label. 4

A group of 30 mixed mineral specimens including: citrine (2), lepidolite (2), blue agate (5), aragonite 'sputniks' (2), ruby in zoisite (3), pyrite, amethyst (3), aragonite, rock crystal, mini-geode,

A group of 29 mineral specimens, including: popcorn aragonite, citrine (2), rock crystal (2), red jasper, green calcite, haematite, amethyst (2), galena, apophyllite, blue agate, dendrite, pyrite, dio

A group of ten optical calcite specimens, each held in a white card collector's tray. 170 grams total, 18-22 mm (5/8 - 7/8 in.) Durango, Mexico. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (

. A group of over 20 matrices containing fire opal. 690 grams total, 36-54 mm (1 3/8 - 2 1/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [27, No Reserve]

A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: fluorite (2); smokey quartz and haematite; calcite; quartz over fluorite; baryte. 1.

A collection of mineral specimens comprising: a dolomite and quartz specimen from Nentsbury Mine, Northumbria, UK, supplied with an old M.G. Weller collection label; a cassiterite specimen from Old Be

A mixed group of seven mineral crystal specimens. 765 grams total, 80-98 mm (3 - 4 in.) Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [7, No Reserve]

A group of ten cut and polished chiastolite specimens; each held in a white card collector's tray. 150 grams total, 19-29 mm (3/4 - 1 in.) From China. Mineral Imports, London, UK. Gregory, Bottley & L

A group of nineteen polished mugglestone with hematite, jasper and tiger's eye crystals. 759 grams, 41-55 mm (1 1/2 - 2 1/4"). From South Africa, from an old English collection, Cambridge, UK; formed

A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: fluorite; goethite and quartz; amethyst; childrenite; fluorite on quartz; chalcoside