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
Sold2024Natural History - Historic 'Tsumeb, South West Africa' Dioptase on Calcite Crystal Specimen.Displaying emerald-green dioptase crystals on a matrix of rhombohedral calcite with some hematite present, collection number 569, with an old Gregory, Bottley & Lloyd label. 76 grams, 50 mm (2 in.). ASee 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
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
Sold2017Natural History - Unusual Quartz SpecimenA very unusual quartz encrustation, originally formed over a group of calcite crystals which were subsequently dissolved away leaving the quartz coating retaining the shapes of the original calcite crSee Sold Price
Sold20236 Angel Wing Calcite from Durango Mexico6 Angel Wing Calcite crystal rocks from Durango Mexico. 6 Natural History Specimens. Largest 8" x 5" x 3.5" From the estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, miSee Sold Price
Sold2016Natural History - Vanadinite Mineral SpecimenA specimen of vanadinite with calcite, the vanadinite crystals transparent and lustrous, from Mexico, in old white card tray with handwritten label reading: 'Durango, Mexico'. From Durango, Mexico; frSee Sold Price
Sold2016Natural History - Apatite Mineral SpecimenA 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', TipexSee 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 - Pyrite Mineral Specimen.A cluster of fine, lustrous pyrite crystals form the classic Peruvian locality, crystallising principally as pyritohedrons, with accessory nailhead calcite and a sprinkling of small sphalerites, in olSee 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
Sold2023117 Grams Very Beautiful Natural Dogtooth Calcite Crystals Specimen From Baluchistan Pakistan117 Grams Very Beautiful Natural Dogtooth Calcite Crystals Specimen From Baluchistan Pakistan size 37mm 65mm 88mm weight 117 Grams Reserve: $20.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere wSee Sold Price
Sold202396 Gram Beautiful Natural Dogtooth Calcite Crystals Soecimen From Skardu pakistan96 Gram Beautiful Natural dogtooth Calcite Crystals Specimen From Baluchistan Pakistan size 50mm 30mm 63mm weight 96 Gram Reserve: $20.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere within theSee Sold Price
Sold202273 Gram Beautiful Natural Dogtooth Calcite Crystals73 Gram Beautiful Natural Dogtooth Calcite Crystals Specimen From Baluchistan pakistan size 38mm 39mm 49mm weight 73 Gram Reserve: $15.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere within theSee Sold Price
Sold2024Natural History - Quartz Rock Crystal Specimen Group [100].Comprising a large quantity of white to clear prismatic crystals, some in matrix. 1.36 kg total, 25-41 mm (1 - 1 5/8 in.). From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (GregorSee 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 - Large Red Calcite Crystal GroupA group of twenty chunks of red calcite with waxy lustre. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-19See Sold Price
Sold2024Natural History - Hematoid Quartz Crystal Specimen Group [50].Comprising a large quantity of dark double-terminated crystals. 82 grams total, 10-31 mm (3/8 - 1 1/4 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]See Sold Price
Sold2024Natural History - Large Brown Calcite Specimen Group [10].Comprising large cut chunks. 2.76 kg total, 64-80 mm (2 1/2 - 3 1/8 in.). From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [10, No Reserve]See Sold Price
Sold2022Purple Amethyst Geode Cathedral Mineral SpecimenArt by God, Monumental natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home or ofSee Sold Price
Sold2023Purple Amethyst Geode Mineral Crystal CornucopiaArt by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode naturally formed over millions of years into the shape of Horn of Plenty Cornucopia. Emits a vibrantSee Sold Price
6 days LeftRapid Estate Liquidators and Auction GalleryClear Crystal Quartz Cluster Big Cluster of Quartz$2(2 bids)