Sold2024Natural History - Cut Amethyst Crystal Geode Segment.Comprising large well-formed purple amethyst crystals on a thick matrix. 682 grams, 95 mm (3 3/4 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]See Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Slice GroupA group of six cut and polished agate geode slices; colour-enhanced. 322 grams total, 8.8-10.7 cm (3 1/2 - 4 1/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]See Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Section GroupA group of eight agate geode sections. 3.5 kg total, 85-96 mm (3 3/8 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [8, No Reserve]See Sold Price
Sold2023Natural History - Cut and Polished Agate Crystal Geode Slice GroupA group of six polished agate geode slices; colour-enhanced. 396 grams total, 8.7-11.8 cm (3 3/8 - 4 5/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]See Sold Price
Sold2024Natural History - Quartz Gem Tree on Amethyst Crystal Geode Section.Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished clear quartz pebbles. 449 grams total, 19 cm (7 1/2 in.). From Brazil.Ex Mineral Imports, London, UKSee Sold Price
Sold2024Natural History - Citrine Gem Tree on Amethyst Crystal Geode Section.The irregular geode matrix with lavender coloured amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 727 grams, 18.3 cm (7 1/8 in.). From Brazil.Ex Mineral ImpoSee Sold Price
Sold2023Natural History - Large Size Cut and Polished Pink Agate Crystal Geode Slice. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]See Sold Price
Sold2024Natural History - Amethyst Crystal Display.A cut section of amethyst crystals of good colour on a custom-made display stand. 1.6 kg total, 12 cm high (21 cm high including stand) (4 3/4 in. (8 1/4 in.)). Ex Lincolnshire, UK, collection. [No ReSee Sold Price
Sold2023Natural Amethyst Crystal Cathedral Geode SpecimenArt by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or officSee Sold Price
Sold2023Natural Amethyst Crystal Cathedral Geode SpecimenArt by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or officSee Sold Price
Sold2023Natural Amethyst Crystal Cathedral Geode SpecimenArt by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or officSee 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
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
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
Sold2022Natural Geode Amethyst Crystal Cluster SpecimensEstate collection of 10 natural geodes. Includes: (4) natural stone geode statues, cut and polished; (1) large natural stone geode statues, cut and polished with crystal cluster center; (2) amethyst qSee Sold Price
Sold2023Natural History - Purple Agate Crystal Geode Section GroupA group of six cut and polished purple agate geode sections, with exposed crystals; colour-enhanced. 1.39 kg total, 69-94 mm (2 3/4 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (See 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
Sold2016Natural History - Polished Agate Geode PairA sawn and polished pair of natural agate geodes with several 'eyes' and cavities filled with amethyst crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bottley &See Sold Price
Sold2019Natural History - Amethyst Geode CaveA geode 'cave' with open end revealing lilac amethyst crystals. 7.4 kg, 26cm (10 1/4"). From the former stock of Gregory, Bottley & Lloyd (established 1858); recently reviewed by Dr. Ronald Bonewitz.See Sold Price
Sold2016Natural History - Natural Geode Group.A group of twenty-seven natural geode halves with quartz crystals from Brazil, each cut with a polished face. 1037 gram total, 37-70mm (1 1/2 - 2 3/4"). From an old Lincoln Collection [27, No Reserve]See Sold Price
Sold2016Natural History - Agate Geode SphereA sphere cut from an agate geode with a quartz crystal filling, the crystal terminations outlined by another mineral, probably hematite, with antique turned wood base. From the historic ‘Victorian MSee Sold Price
Sold2017Natural History - Mini Geode PairA fine specimen of a cut mini geode filled with miniature white crystals, in white card box with label reading: 'Mini geode pair, Rio Grande do Sul, Brazil'. 56 grams total, 40mm (1 1/2"). From a histSee Sold Price
Sold2019Huge Pair of Natural Amethyst "Angel Wings" GeodesHuge Pair of Natural Amethyst "Angel Wings" Geode. Large geode crystal specimen cut into two and named the angel wings by consignor. Impressive scale, great purple tones and with coated backs to enhanSee 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
Jun 24Claydon Auctioneers LtdNatural History / Geology Interest: A very large amethyst crystal geode. Approx. 24" wide Please£100
5 days LeftSeized Assets AuctioneersLarge 18k Gold Dendritic Agate Amber & Natural Rock Crystal Designer Brooch Pin$1
3 days LeftTreasure of Gems & JewelryBi Color Ametrine 8.39 Ct. Clean Octagon Millennium Cut 12.3 x 11 Mm. Natural Gemstone From Bolivia$1
3 days LeftTreasure of Gems & JewelryNatural Purple Amethyst 14.97 Ct. VVS Oval Checkerboard Cut 17.5 x 14.1 Mm. Gemstone From Brazil$1
3 days LeftTreasure of Gems & JewelryNatural Purple Amethyst 14.55 Ct. VVS Oval Checkerboard Cut 17.6 x 14.7 Mm. Gemstone From Brazil$1
Jun 29Treasure of Gems & JewelryNatural Purple Amethyst 6.07 Ct. Clean Round Cornflower Cut Shape 12 Mm. Unheated Gemstone From$1
Jun 29Treasure of Gems & JewelryNatural Purple Amethyst 20.93 Ct. Clean Oval Checkerboard Cut Shape 18.5 x 14 Mm. Gemstone From$1
Jun 22Treasure of Gems & JewelryNatural Purple Amethyst 16.20 Ct. Clean Matching Pair Oval Concave Cut Shape 15.9 x 11.8 Mm.$1
Jun 27Weatherham Estate Treasures63G Natural Dream Amethyst Crystal Column Wand Obelisk Point Reiki Healing$15