Artemis Fine ArtsLouisville, CO
Est.
US$5
-US$10,000
Col. Christie Hatman AuctioneersThayer, MO
![Large Group of One Hundred [100] Amethyst Crystal Sections: Comprising one hundred irregular geode sections with prismatic amethyst crystals. 1.74 kg total, 17-49 mm (5/8 - 2 in.). [100, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley](https://p1.liveauctioneers.com/1191/426518/237925114_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
US$300
-US$400
Roland NYGlen Cove, NY
Est.
US$60
-US$120
Kellie's Estate SalesOkemos, MI
Est.
US$200
-US$300
Schmitt Horan & Co.Candia, NH
Est.
US$40
-US$60
J. Greenstein & Co., Inc.Cedarhurst, NY
![Large Cut and Polished Yellow Agate Crystal Geode Slice Artefact Base: Oval section of light brown agate geode showing some quartz crystal formations. 824 grams, 18.7 cm (7 3/8 in.). [No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Greg](https://p1.liveauctioneers.com/1191/426518/237925344_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
US$10
-US$500
Atlee Raber AuctionsDundee, OH
![Large Group of Four Hundred [400] Cut and Polished Mini Agate Geode Halves: Large group of cut geodes with internal cavities, most with crystal-lined interiors. 2.02 kg total, 16-40 mm (5/8 - 1 5/8 in.). [400, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory,](https://p1.liveauctioneers.com/1191/426518/237925347_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£50
-£70
TimeLine Auctions Ltd.Harwich, Essex
Est.
US$150
-US$200
J. Greenstein & Co., Inc.Cedarhurst, NY
Est.
US$5
-US$15
Col. Christie Hatman AuctioneersThayer, MO
![Large Cut and Polished Banded Agate Crystal Geode Slice: Thick slice of 'fortress' agate with grey, brown, black and orange banding, the internal cavity lined with small pale purple amethyst crystals. 575 grams, 24.6 cm (9 3/4 in.). [No Reserve] From Brazil](https://p1.liveauctioneers.com/1191/426518/237925159_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
£1,800
-£2,400
TimeLine Auctions Ltd.Harwich, Essex
Est.
£2,000
-£3,000
TimeLine Auctions Ltd.Harwich, Essex
Est.
£1,200
-£1,700
TimeLine Auctions Ltd.Harwich, Essex
Est.
£2,000
-£3,000
TimeLine Auctions Ltd.Harwich, Essex
![Group of Five [5] Large Cut and Polished Agate Geode Halves: Comprising five cut sections with polished faces showing grey and brown banding, four with an exposed crystal-lined cavity. 2.12 kg total, 8.8-12 cm (3 1/2 - 4 3/4 in.). [5, No Reserve] From Brazil. E](https://p1.liveauctioneers.com/1191/426518/237925244_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
£1,000
-£1,400
TimeLine Auctions Ltd.Harwich, Essex
Est.
£5,000
-£7,000
TimeLine Auctions Ltd.Harwich, Essex
![Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections: Comprising three geode sections, two with pale purple amethyst crystals and one with almost colourless quartz crystals. 1.63 kg total, 9.1-17.6 cm (3 5/8 - 7 in.). [3, No Reserve] From Brazil. Ex Mine](https://p1.liveauctioneers.com/1191/426518/237925200_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
![Group of Six [6] Large Cut and Polished Agate Geode Halves: Comprising six cut and polished geode halves showing characteristic banding, some with crystal-lined interiors. 2.74 kg total, 9-12.5 cm (3 1/2 - 4 7/8 in.). [6, No Reserve] From Brazil. Ex Mineral Im](https://p1.liveauctioneers.com/1191/426518/237925248_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
£2,000
-£3,000
TimeLine Auctions Ltd.Harwich, Essex
![Large Group of One Hundred [100] Amethyst Crystal Sections: Comprising mainly irregular geode sections with prismatic amethyst crystals. 2.19 kg total, 21-66 mm (7/8 - 2 5/8 in.). [100, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley](https://p1.liveauctioneers.com/1191/426518/237925236_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
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