Sold2024Natural History - Mixed Fossil and Mineral Specimen Group.Including rock crystal pebble, desert rose (baryte) crystals, flint nodules and other types. 1.1 kg total, 32-96 mm (1 1/4 - 3 3/4 in.). From a collection acquired on the UK art market from various auSee 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
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 - 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
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
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
Sold2021Purple Amethyst Geode Cathedral Mineral SpecimenArt by God. 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 office space.See Sold Price
Sold2023Natural Purple Amethyst Geode Mineral Crystal RockArt by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Large maw like opening to front, giving the impression of an emerging shark's head with smaller opeSee Sold Price
Sold2021Purple Amethyst Geode Cathedral Mineral SpecimensArt by God, Natural History Crystal Quartz Mineral Specimens. Near matched pair of deep purple Amethyst cathedrals. Not only are these geodes stunningly beautiful, they also give off a vibration of poSee Sold Price
Sold2024Natural History - Quartz Rock Crystal Display Specimen.Comprising a cluster of well-formed radiating prismatic crystals. 244 grams, 90 mm (3 1/2 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 6x5x4CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 8x6x4CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 3x3x3CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 8x6x4CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 3x3x2CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 2x2x2CM.See Sold Price
Sold2024Natural History Rock Crystal Quartz Stone SpecimenNice example of transparent colorless form of quartz gemstone having an appearance of large chunks of shattered glass. No apparent markings. Dimensions: 10 X 11.25 X 4.5 in. Condition: Good overaSee Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 5x3.5x1.5CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 4x4x2CM.See Sold Price
Sold2024Natural Geology History - Geode Mineral Crystal SpecimenDIMENSIONS APPROX 6x4x3CM.See Sold Price
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