Sold2023Natural History - Pyrites 'Fool's Gold' Crystal Specimen Group. Comprising around 80 pyrites or 'fool's gold' crystal specimens. 672 grams total, 15-36 mm (1/2 - 1 3/8 in.). From Peru. From the historic ‘Victorian Museum’ or later collection of Gregory, BottSee Sold Price
Sold2023Natural History - Historic Azurite on Malachite Mineral SpecimenComprising dark green malachite with tabular deep blue azurite crystals. 30 grams, 60 mm (2 1/2 in.). Collected in person from various parts of the world mainly between 1957-1966. From the private minSee Sold Price
Sold2016Natural History - Box of 38 Amethyst Crystal SpecimensA box of thirty eight amethyst clusters, ranging in colour from a pale, almost transluscent purple to a deep rich purple; some forming 'porcupine' blooms of clusters. From Brazil; from the historic ��See Sold Price
Sold2016Natural History - Quartz Crystal Mineral Specimen.A large, well-formed single crystal of rock crystal quartz. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.219. 752 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ aSee Sold Price
Sold2016Natural History - 20 Sulphur Mineral Specimen GroupA 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 GregorySee Sold Price
Sold2016Natural History - Large Crystalline Pyrite Nodule GroupA group of pyrite specimens with well-formed crystals ranging in size; some on a matrix. From Peru; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's)See Sold Price
Sold2016Natural History - Cerussite Mineral SpecimenA specimen of parallel growth cerussite crystals from Cumbria, UK, in white card tray with Gregory, Bottley and Lloyd label reading: 'CERUSSITE, Cumbria, UK'. Found Cumbria, UK; from the historic ‘VSee Sold Price
Sold2016Natural History - Pink Dolomite Mineral SpecimenA fine specimen of curved pink dolomite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.181. 288 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ and laterSee Sold Price
Sold2017Natural History - Pink Dolomite Mineral SpecimenA fine specimen of pale pink dolomite crystals, in white card box with label reading: 'PINK DOLOMITE, Touissite, Morocco'. 23 grams, 41mm (1 1/2"). From the historic ‘Victorian Museum’ and later cSee Sold Price
Sold2016Natural History - Gem Quality Dioptase Mineral SpecimenA fine, transparent, gemmy crystal of dioptase with smaller side crystals, in plastic display box. From Namibia; From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & LloSee Sold Price
Sold2016Natural History - Lilac Fluorite Mineral SpecimenA lilac coloured flourite crystal displaying numerous intergrowth cubes; in white card tray with label reading: 'FLUORITE Tri-State USA'. From USA; from the historic ‘Victorian Museum’ or later coSee Sold Price
Sold2016Natural History - Pink Dolomite Mineral SpecimenA well formed dolomite saddle-shaped crystal crust mass. From Mexico; from the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley &See Sold Price
Sold2016Natural History - Wulfenite Mineral SpecimenA fine specimen of wulfenite consisting a sheet of numerous tabular orange crystals on a matrix of limestone with an underlying sheet of white calcite? From the historic ‘Victorian Museum’ collectSee Sold Price
Sold2016Natural History - Citrine Mineral SpecimenA 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 GSee Sold Price
Sold2016Natural History - Muscovite Mineral Specimen.A cluster of finely formed muscovite mica crystals, with accessory albite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.261. 368 grams, 12 cm (4 3/4"). From the historic ‘VictorianSee Sold Price
Sold2016Natural History - Quartz Mineral SpecimenAn unusual quartz formation with finely formed crystals intergrown with another mineral, probably albite. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (GreSee Sold Price
Sold2016Natural History - Aquamarine Mineral Specimen GroupA 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); formSee Sold Price
Sold2016Natural History - Calcite Mineral SpecimenA 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, BoSee Sold Price
Sold2016Natural History - Calcite Mineral Specimen.A large sheet of small, acicular calcite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.177. 725 grams, 22cm (8 3/4"). From the historic ‘Victorian Museum’See Sold Price
Sold2024Natural History - Aragonite Crystal Specimen Group [11].Comprising eleven clusters of pseudo-hexagonal twinned crystals. 313 grams total, 28-54 mm (1 1/8 - 2 1/8 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [11, NoSee Sold Price
Sold2024Natural History - Amethyst Crystal Specimen.Comprising lavender-coloured prismatic crystals on a freestanding cut matrix. 283 grams, 72 mm (2 7/8 in.). From a Lincolnshire, UK, collection. Property of a Cambridgeshire, UK, gentleman. [No ReservSee Sold Price
Sold2023Natural History - Quartz Crystal Specimen GroupA group of 50 quartz crystal specimens including clear examples with points. 1.67 kg total, 27-87 mm (1 - 3 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]See Sold Price
Sold2016Natural History - Historic Silver Mineral SpecimenA specimen with multiple layers of crystalline silver in a skarn matrix, the silver naturally surface-oxidized, from the El Mochito Mine, near San Pedro Sula, Santa Barbara Department, Honduras, withSee Sold Price
Sold2019Natural History - Giant Calcite Crystal SpecimenA large calcite crystal specimen with cortex. 22 kg, 44cm (17 1/4"). From the former stock of Gregory, Bottley & Lloyd (established 1858); recently reviewed by Dr. Ronald Bonewitz.See Sold Price
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