Sold2023Collection of Amethyst and Other Mineral Specimens.Collection of Amethyst and Other Mineral Specimens.See Sold Price
Sold202234 inch Tall Brazilian Amethyst Geode. Amethyst Crystal Chimney. Natural Mineral Specimen.34 inch Tall Brazilian Amethyst Geode. Amethyst Crystal Chimney. Natural Mineral Specimen. Dimensions: H: 34 inches: W: 10 inches: D: 6 inches ---See Sold Price
Sold202220.5 inch tall Amethyst Brazilian Geodes Chimney. Natural Mineral Specimen.20.5 inch tall Amethyst Brazilian Geodes Chimney. Natural Mineral Specimen. Dimensions: H: 20.5 inches: W: 9.5 inches: D: 7 inches ---See Sold Price
Sold2017250 Amethyst Mineral Specimens.A group of two hundred and fifty purple amethyst crystal specimens. 1.7 kg total, 17-40mm (1/2 - 1 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & LloydSee Sold Price
Sold2022X Large Amethyst Brazilian Geode with large Crystals. Natural Mineral Specimen.X Large Amethyst Brazilian Geode with large Crystals. Natural Mineral Specimen. Dimensions: H: 24 inches: W: 30 inches: D: 14 inches ---See Sold Price
Sold2024Natural History - Amethyst Mineral Specimen.A free-standing section of a geode with amethyst crystals of good colour. 657 grams, 11 cm high (4 1/4 in.). From a Lincolnshire, UK, collection. [No Reserve]See Sold Price
Sold2017Amethyst Mineral Specimen.A fine large slab of purple amethyst crystals on a matrix. 2.56 kg, 21cm (8 1/4"). From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly GregoSee Sold Price
Sold2021LG Mineral Specimen CollectionUnited States,20th Century Collection of over seventy three mineral specimens including amethyst, galena, chalcopyrite, obsidian, fluorite, chalcedony, vanadinite, sulfur, petrified wood, gypsum, bornSee Sold Price
Sold2018collection of geodes, mineral specimenscollection of geodes, polished agate, rock and mineral specimens including amethyst crystals, polished gemstones and cabochons, etc.See 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
Sold2022Collection of Nine Mineral Specimensto include: blue kyanite, amethyst flower, deep green tourmaline in a quartz matrix, possibly blue-green dogtooth calcite, semi-translucent scolecite spray specimen, possibly blue barite spray on limoSee Sold Price
Sold2022Mixed Mineral Specimen CollectionA group of 15 mixed mineral specimens, including: citrine druse (2), aragonite 'sputniks' (2), tourmaline in quartz, amethyst, banded jasper, clay in quartz 'porcupines' (3), natural agate slices (3),See 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 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
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
Sold2022Cornish Mineral Specimen CollectionA mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: fluorite; goethite and quartz; amethyst; childrenite; fluorite on quartz; chalcosideSee Sold Price
Sold2023Brazilian Carved Lapidary Sculpture of BirdsNatural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10See Sold Price
Sold2023Brazilian Carved Lapidary Sculpture of BirdsNatural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10See Sold Price
Sold2022Geode and mineral specimen collectionGeode and mineral specimen collection, (15) pieces including a large polished malachite, 3.5"h x 8"l x 3.5"w, 2 amethyst geodes, a pair of polished agate bookends, a polished sphere with geode inclusiSee Sold Price
2 days LeftThousand Planet Auction HouseA Rare Collection of Australian Lightning Ridge Fossilized Opal Rough, 39.29Ct Total$5
2 days LeftThousand Planet Auction HouseA Collection of Australian Boulder Opal Rub Rough Specimens, Direct from Winton Mine$5
2 days LeftThousand Planet Auction HouseA Collection of Australian Boulder Opal Rub Rough Specimens, Direct from Winton Mine$5
2 days LeftThousand Planet Auction HouseAn Ancient Jasper Bead with Rare Pattern, 1st Millennium BCE$5(1 bid)