Natural History - 20 Sulphur Mineral Specimen Group

A group of twenty yellow chunks of sulphur displaying clusters of small crystals. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory

A mixed group of 100 polished mineral 'pebbles'. 1 kg total, 20-34 mm (3/4 - 1 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]

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 mixed group comprising: a galena block from Spain; a celestina block from Sicily; a large scalenahedral calcite crystal from Rumania; a block of cubic octahedral pyrite from Peru. 948 grams total,

A mixed group of 50 polished mineral 'pebbles'. 1.12 kg total, 31-45 mm (1 1/4 - 1 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

A mixed mineral group comprising: a rich dark blue crystalline mass of sodalite, a concave matrix surface invested with quartz, atacamite and malachite, a rashleighite specimen, and a lustrous white m

A mixed group of 50 polished mineral specimens of various types, including haematite, quartz, red jasper, unakite, angelite, and others. 1.19 kg total, 27-44 mm (1 - 1 3/4 in.). Mineral Imports, Londo

A mixed mineral group comprising: a limestone matrix with rare blue quartz inclusions, a domed basalt matrix richly covered in green olivine crystals, a powdery limestone matrix carpeted with celestit

A group of four aquamarine crystals, all terminated, from Brazil, in old white card tray. From Brazil; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); form

Group of five richly coloured pieces of rose quartz, from South Africa. Found South Africa; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregor

Comprising: haematite, quartz, amethyst, aventurine, agate, dalmatian jasper and others. 793 grams total, 18-33 mm (3/4 - 1 1/4 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's

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 finely coloured group of citrine crystals from Brazil in a perspex sphere, with perspex stand. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly G

A group of spherical aggregates of yellow-green adamite in a limonite matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.191. 252 grams, 90mm (3 1/2"). From Mexico; from the historic â

A group of semi-transparent, blocky, yellow-green apatite encrusting quartz, with accessory calcite and a single prismatic quartz crystal, with handwritten note reading:'APATITE, Panasqueriva', Tipex

A group of unusually formed, frosted calcite crystals on matrix. From India; From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bo

An unusually fine group of sharply formed, deep green epidote crystals with quartz on a rock groundmass, from the famous Green Monster Mountain locality on Prince of Wales Island, Alaska; in old white

A matrix specimen of radiating stibnite groups, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.253. 70 grams, 55mm (2"). From the historic ‘Victorian Museum��

A group of polished mineral spheres including: three brecciated jasper, unakite, snowflake obsidian, tiger iron, howlite, sodalite, each in its own labelled white card tray. From the historic ‘Victo

A fine group of classic, curved pink dolomite crystals on a matrix of rock dolomite, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.181. 384 grams, 95mm (3 3/4"). From t

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

A group of three galena specimens from the Davidschacht, Freiberg, Saxony, Germany deposit. 81 grams total, 7-32mm (1/4 - 1 1/4"). From the collection of a German professional, Münster, Germany; from

A rare specimen consisting of numerous finely-crystallised anatase crystals encrusting a group of quartz crystals, from Norway, in old white card tray with handwritten label reading: 'Anatase on Quart

. A finely crystallised group of pyrite crystals with 'cube modified by octahedron' crystallisation and bright faces, from the old Gregory, Bottley and Lloyd collection from, Huanzala Mine, Ancash Pro