![Collection of Ten [10] Cut and Polished Agate Geode Halves: Each with one or two cut faces exposing the internal structure, some showing crystal formations. 3.22 kg total, 76-85 mm (3 - 3 3/8 in.). [10, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bott](https://p1.liveauctioneers.com/1191/415806/231335390_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £40-£60
TimeLine Auctions Ltd.Harwich, Essex
![Cut and Polished Agate Geode Slice Group: Comprising six translucent slices showing red, orange and grey banding together with colourless quartz crystal formations. 392 grams total, 13.2-13.8 cm (5 1/4 - 5 3/8 in.). [6, No Reserve] Ex Mineral](https://p1.liveauctioneers.com/1191/415806/231335509_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £30-£40
TimeLine Auctions Ltd.Harwich, Essex
![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. £1,500-£2,000
TimeLine Auctions Ltd.Harwich, Essex
Est. US$300-US$500
Auctions at ShowplaceAstoria, NY
Est. £800-£1,000
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,500-£2,000
TimeLine Auctions Ltd.Harwich, Essex
Est. £800-£1,000
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,200-£1,700
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,200-£1,700
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,200-£1,700
TimeLine Auctions Ltd.Harwich, Essex
Est. £700-£900
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,800-£2,400
TimeLine Auctions Ltd.Harwich, Essex
Est. £1,800-£2,400
TimeLine Auctions Ltd.Harwich, Essex
Est. US$60-US$120
Weatherham Estate TreasuresCobourg, ON
Est. US$400-US$600
Andrew Jones AuctionsLos Angeles, CA
Est. US$100-US$200
Keystone Auction LLCYork, PA
Est. US$300-US$500
Auctions at ShowplaceAstoria, NY
![Group of Twenty [20] Mixed Mineral Specimens: A boxed group of minerals comprising: amethyst specimens; red jasper; blue lace agate; a cut and polished agate geode half; sulphur; hematite; rock crystal; light blue topaz pebble; calcite, and other](https://p1.liveauctioneers.com/1191/415806/231335511_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
![A Collection of Twelve [12] Large Amethyst Mineral Specimens: A boxed group of geode sections with amethyst crystals, the colours ranging from very pale purple to dark purple. 3.51 kg total including box, 5.6-12 cm (2 1/4 - 4 3/4 in.). [12, No Reserve] From Braz](https://p1.liveauctioneers.com/1191/415806/231335326_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £60-£80
TimeLine Auctions Ltd.Harwich, Essex
Est. US$400-US$600
Dan Morphy AuctionsDenver, PA
![Cut and Polished Amethyst Church: A small ovoid geode section with deep purple amethyst crystals, polished outer face. 185 grams, 57.5 mm (2 1/4 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a rig](https://p1.liveauctioneers.com/1191/415806/231335322_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
TimeLine Auctions Ltd.Harwich, Essex
Est. —
US$1
VANGOVE Los Angeles, CA
Est. US$100-US$200
Auctions at ShowplaceAstoria, NY
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