Sold2017133 Pyrite Mineral Specimen Group.A group of one hundred and thirty three irregular pyrite (Fool's Gold' mineral samples. 1.1 kg total, 16-29mm (3/4 - 1 1/4"). From a historic ‘Victorian Museum’ collection; from the stock of GregoSee Sold Price
Sold2018Mineral Specimen CollectionA 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. 4See Sold Price
Sold2017Natural History - Mineral Specimen Group. 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,See Sold Price
Sold2018Crystal Mineral Specimen GroupA mixed group of mineral samples comprising: purple fluorite, blue opal, native copper, specularite with quartz, pyrite with quartz and sphalerite, bournonite with quartz, vanadinite, opal in matrix,See Sold Price
Sold2017Pyrite Mineral Specimen.A group of fine lustrous pyrite crystals formed principally as striated pyritohedrons, in white card tray with label reading 'Pyrite, Huanuco, Peru'. 297 grams, 67mm (2 1/2"). From a historic ‘VictoSee Sold Price
Sold2017Pyrite 'Sun' Mineral Specimen.A group of large pyrite (Fool's Gold) crystals circled around central area with smaller crystals, in white card tray. 314 grams, 64mm (2 1/2"). From a historic ‘Victorian Museum’ collection; fromSee Sold Price
Sold2016Natural History - 10 Pyrite Cube Mineral SpecimensA group of ten pyrite cubes with well formed, even faces, and a metallic lustre. From Huancuco, Peru; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory'See Sold Price
Sold2016Natural History - Pyrite (Fool's Gold) Mineral Specimen. 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 ProSee Sold Price
Sold2016Natural History - Pyrite 'Fool's Gold' Mineral SpecimenGroup of five pyrite specimens with well-formed crystals, from Mexico. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.137. 672 grams, 50 - 80mm (2 - 3 1/2"). Found Mexico; from the historicSee Sold Price
Sold2022English Mineral Specimen CollectionA mixed group of mineral specimens, each accompanied by a collector's identification label detailing the location of the find: calcite; goethite; pyrite; calcite analcime. 345 grams total, 38-59 mm eaSee Sold Price
Sold2022Mixed Mineral Specimen CollectionA 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,See Sold Price
Sold2022Mixed Mineral Specimen CollectionA 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, dioSee Sold Price
2022Mixed Historic Mineral Specimen Collection.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 eyeSee Sold Price
Sold2022Mixed Mineral Specimen CollectionA 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,See Sold Price
Sold2020Mineral Specimen CollectionA large group of various minerals comprising: optical calcite, muscovite, amethyst, lepidolite mica, pyrite, realgar orpiment, topaz, rubellite, malachite, satin spar, petrified wood, an amethyst pendSee Sold Price
Sold2022Pyrite 'Fool's Gold' Crystal Specimen GroupA group of 12 pyrite or 'fool's gold' specimens with crystals of various sizes. 1.34 kg total, 47-63 mm (1 3/4 - 2 1/2 in.). From Peru. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory'sSee Sold Price
Sold2023Massive Pyrite Mineral Specimen - 4.6 kg (10.2 lbs)Originally listed at $1800 North America, ca. millions of years old. This is a massive chunk of pyrite! Pyrite is famous for its beautiful shine that closely resembles gold to the untrained prospectoSee Sold Price
Sold2021Mineral Specimen Group, Unknown Locations [132879]A group of beautiful display specimens includes Amethyst, a purple variety of quartz (~9 x 3 x 3.5 inches, ~1.8 pounds); a beautiful pale-blue Celestite, a strontium sulfate (~3.75 x 3.25 x 2.75, ~601See Sold Price
Sold2021Mineral Specimen Group, Unknown Localities [132880]About ten mineral specimens of mostly unknown localities including Large single-crystal rhomb of Calcite, calcium carbonate, (~8 x 6 x 3 inches, 9 pounds); A single-crystal wedge of Calcite (7 x 3.75See Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA 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]See Sold Price
Sold2019Natural History - Mixed Mineral Specimen GroupA 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 mSee Sold Price
Sold2020DR Congo Malachite 'Face' Mineral Specimen GroupA group of three malachite pebbles, each with drilled and polished voids to reveal the banded eye-formations. 243 grams total, 37-39mm (1 1/2"). From the historic ‘Victorian Museum’ or later colleSee Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA 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, LondoSee Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA 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]See Sold Price
May 19Heartland Artifact Auctions Inc2.1/2" Fluorite Specimen, Mineral, Found in Southern Illinois, Ex GatsesUS$10
5 days LeftPlatinum Auction Group1980s Naturalia Fish Coral Amethyst Diamond 18k wide Cuff BraceletUS$2,100