SoldPorcupine Amethyst Crystal Mineral SpecimenAn amethyst 'porcupine' specimen with fine dark colour, from Rio Grande del Sol, Brazil. 359 grams, 93mm (3 3/4"). From the former stock of Gregory, Bottley & Lloyd (established 1858); recently reviewSee Sold Price
SoldCrystal Mineral Specimen CollectionA mixed group of crystal specimens comprising: an amethyst 'porcupine', a purple fluorite octahedron, muscovite, pyrite, specularite with quartz; each in a card collector's tray with label. 289 gramsSee Sold Price
SoldAmethyst 'Porcupine' Mineral Specimen.A fine, knob-shaped 'porcupine' of amethyst crystals, in white card tray with label reading: 'Amethyst porcupine, Rio Grande do Sul, Brazil'. 76 grams, 51mm (2"). From a historic ‘Victorian Museum��See Sold Price
SoldNatural History - Amethyst 'Porcupine' Mineral SpecimenA fine, knob-shaped 'porcupine' of amethyst crystals, from Brazil. Found Brazil; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, BottleySee Sold Price
SoldAmethyst 'Porcupine' Mineral Specimen.A fine, knob-shaped 'porcupine' of amethyst crystals in white card tray and card reading: 'AMETHYST 'PORCUPINE, Rio Grande do Sul, Brazil'. 181 grams, 68mm (2 3/4"). From the historic ‘Victorian MusSee Sold Price
SoldAmethyst 'Porcupine' Mineral Specimen.A fine specimen of two joined, knob-shaped 'porcupines' of amethyst crystals. 629 grams, 11.6cm (4 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & LloydSee Sold Price
SoldNatural History - Amethyst 'Porcupine' Mineral SpecimenA fine, knob-shaped 'porcupine' of amethyst crystals, from Brazil. Found Brazil; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, BottleySee Sold Price
SoldLilac Amethyst 'Porcupine' Mineral Specimen.A fine, knob-shaped 'porcupine' of lilac purple amethyst crystals, in white card tray. 404 grams, 95mm (3 3/4"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley &See Sold Price
SoldAmethyst 'Porcupine' Mineral Specimen.A fine specimen of deep purple amethyst crystals formation, in white card tray with label reading: 'Amethyst Porcupine, Rio Grande do Sul, Brazil'. 54 grams, 43mm (1 3/4"). From a historic ‘VictoriaSee Sold Price
SoldAmethyst Crystal Mineral SpecimenA delicate formation of twinned prismatic amethyst crystals in vivid violet colour. 9 grams, 45mm (1 3/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (GrSee Sold Price
SoldAmethyst Crystal Mineral SpecimenA substantial rectangular geode section with well-formed deep purple amethyst crystals. 1.2 kg, 14.7cm (5 3/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & LloySee Sold Price
SoldBrazil Amethyst Crystal Mineral SpecimenA cut geode section with richly-coloured amethyst crystals and some calcite crystals. 468 grams, 11.6cm (4 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & LloSee Sold Price
SoldAmethyst crystal mineral specimenAmethyst crystal dark purple specimen with nice terminations- good color about 12 x 6 1/2 incehsSee Sold Price
SoldLarge natural amethyst crystal mineral specimen (withLarge natural amethyst crystal mineral specimen (with two cracks), 25ins highSee Sold Price
SoldBrazil Calcite on Amethyst Crystal Mineral SpecimenA geode section containing richly-coloured amethyst crystal with two clusters of translucent opaque crystals; supplied in a white cardboard tray. 220 grams, 85mm (3 1/2"). From the historic ‘VictoriSee Sold Price
SoldBrazil Amethyst Crystal Mineral SpecimenA geode section containing clusters of small richly coloured amethyst crystals; supplied in a white cardboard tray. 153 grams, 84mm (3 1/4"). From the historic ‘Victorian Museum’ or later collectiSee Sold Price
SoldAmethyst Crystal Mineral Specimen.A fine specimen of large amethyst crystal, in white card tray with label reading: 'AMETHYST, Rio Grande do Sul, Brazil'. 306 grams, 94mm (3 3/4"). From the historic ‘Victorian Museum’ and later coSee Sold Price
SoldAmethyst Crystal Mineral SpecimenA rectangular geode section with clusters of well-formed amethyst crystals and two large white quartz crystal formations. 568 grams, 12cm (4 3/4"). From the historic ‘Victorian Museum’ or later coSee Sold Price
SoldLarge Orange Amethyst Crystal Mineral SpecimenA large rectangular geode section with clusters of heat-treated orange amethyst crystals. 1 kg, 15cm (6"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (GreSee Sold Price
SoldArtigas Mine Uruguay Amethyst Crystal Mineral SpecimenA geode section with clusters of dark purple amethyst crystals; supplied in a labelled cardboard tray. 364 grams, 91mm (3 1/2"). From the historic ‘Victorian Museum’ or later collection of GregorySee Sold Price
Amethyst crystal mineral specimenAmethyst- deep purple crystals in beautiful color and crystalline structure -about 7 1/2 x 5 x 6 1/4 inchesSee Sold Price
SoldAmethyst Crystal Mineral SpecimenA large single amethyst crystal with good transparency at the point and fine colour, in card collector's tray. 276 grams, 98mm (4"). From the former stock of Gregory, Bottley & Lloyd (established 1858See Sold Price
SoldBrazil Amethyst Crystal Mineral SpecimenA triangular geode section containing richly coloured amethyst crystals. 982 grams, 11.2 cm (4 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory'See Sold Price
SoldLavender Amethyst Crystal Mineral SpecimenA cluster of lavender-coloured amethyst crystals. 152 grams, 84mm (3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, BottSee Sold Price
Natural History - Cut and Polished Agate and Amethyst Mineral Specimen Slab.TimeLine Auctions Ltd.4.5(183)See Sold PriceMar 08, 2024
Natural History - Amethyst Crystal Chunk Group [100].TimeLine Auctions Ltd.4.5(183)See Sold PriceMar 09, 2024
Natural History - Boxed Mixed Crystal Display Specimen Group [3].TimeLine Auctions Ltd.4.5(183)See Sold PriceMar 09, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Geode, Cathedral, Rock, Crystal, Natural, Collectible, Specimen,Easterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 27, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 28, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 28, 2024
Rock, Crystal, Natural, Collectible, Mineral, SpecimenEasterly Auction Company4.7(433)See Sold PriceFeb 28, 2024
![Natural History - Amethyst Crystal Chunk Group [100]. (1 of 1)](https://p1.liveauctioneers.com/1191/317894/170617078_1_x.jpg?height=282&quality=70&version=1706620797)
![Natural History - Boxed Mixed Crystal Display Specimen Group [3]. (1 of 1)](https://p1.liveauctioneers.com/1191/317894/170617099_1_x.jpg?height=282&quality=70&version=1706620797)
