Est. US$1,352-US$1,757
Mynt AuctionsNew York, NY
![Ten [10] Mixed Cut and Polished Agate Geode Slices From Brazil: Comprising ten translucent to opaque slices, some showing quartz crystals, two dyed. 540 grams total, 5.2-13.4 cm (2 - 5 1/4 in.). [10, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory](https://p1.liveauctioneers.com/1191/415806/231335503_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
Est. US$1,352-US$1,757
BidhausNew York, NY
Est. US$442-US$574
BidhausNew York, NY
![Large Polished and Felt-Backed Agate Coaster Set of Six [6]: In graduating sizes and showing contrasting banding. 756 grams total, 9.7-13.9 cm (3 7/8 - 5 1/2 in.). [6, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK](https://p1.liveauctioneers.com/1191/415806/231335393_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
![Set of Six [6] Cut, Polished and Felt-Backed Agate Coasters: Comprising six polished slices in gently graduated sizes, cut from the same geode. 372 grams total, 8.8-10.2 cm (3 1/2 - 4 in.). [6, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloy](https://p1.liveauctioneers.com/1191/415806/231335352_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
Est. €50-€100
Templum Fine Art AuctionsBarcelona , ES
Est. US$1,313-US$1,706
BidhausNew York, NY
Est. £30-£40
TimeLine Auctions Ltd.Harwich, Essex
![Cut and Polished Agate Crystal Geode Pair: Comprising two halves from the same geode, showing contrasting, nearly straight banding at the bottom with a quartz crystal-filled cavity above. 1.08 kg total, 10.9-11 cm (4 1/4 in.). [2, No Reserve]](https://p1.liveauctioneers.com/1191/415806/231335358_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £30-£40
TimeLine Auctions Ltd.Harwich, Essex
Est. US$1,725-US$2,530
NY Elizabeth Beverly Hills, CA
![Sasanian Banded Agate Stamp Seal with Portrait: Circa 3rd-7th century A.D. With incuse profile bust with beard. 1.64 grams, 11.42 mm (1/2 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed since the 1970s. Ti](https://p1.liveauctioneers.com/1191/415804/231332436_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474526&width=280)
Est. £40-£60
TimeLine Auctions Ltd.Harwich, Essex
Est. US$585-US$760
BidhausNew York, NY
![Group of One Hundred [100] Polished Agate Pebbles: An attractive group of decorative tumbled agate pebbles. 1.05 kg total, 22-37 mm (7/8 - 1 1/2 in.). [100, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's),](https://p1.liveauctioneers.com/1191/415806/231335315_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
Est. US$962-US$1,250
BidhausNew York, NY
Est. US$676-US$878
BidhausNew York, NY
![Set of Three [3] Cut and Polished 'Eye' Agate Geode Slices: Comprising three transparent slices from the same geode showing an eye-like pattern. 155 grams total, 13.5-14 cm (5 1/4 - 5 1/2 in.). [3, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Grego](https://p1.liveauctioneers.com/1191/415806/231335494_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
![Collection of Three [3] Cut and Polished Agate Geode Ends: A boxed group of three polished geode sections showing contrasting colours and banding. 2.77 kg total, 9.6-19.6 cm (3 3/4 - 7 3/4 in.). [3, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley](https://p1.liveauctioneers.com/1191/415806/231335359_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £40-£60
TimeLine Auctions Ltd.Harwich, Essex
Est. US$1,937-US$2,518
Mynt AuctionsNew York, NY
Est. US$585-US$760
BidhausNew York, NY
Est. US$585-US$760
BidhausNew York, NY
![Collection of Three [3] Cut and Polished Malawi Agate Geode Halves: Comprising three specimens with polished cut faces, showing strong banding and crystal-lined interior. 2.12 kg total including box, 9.2-16 cm (3 5/8 - 6 1/4 in.). [3, No Reserve] From Malawi. Ex Miner](https://p1.liveauctioneers.com/1191/415806/231335351_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £30-£40
TimeLine Auctions Ltd.Harwich, Essex
Est. US$100-US$200
Bryant Art AuctionPlacentia, CA
![Sasanian Agate Stamp Seal with Man Holding Staves: Circa 3rd-7th century A.D. Annular in profile with incised figure of a man holding two staves. 8.07 grams, 21.03 mm (7/8 in.). [No Reserve] From the private collection of a European gentleman (1942-20](https://p1.liveauctioneers.com/1191/415805/231334268_1_x.jpg?height=280&quality=70&sharpen=true&version=1777474898&width=280)
Est. £30-£40
TimeLine Auctions Ltd.Harwich, Essex
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