Est.
$100
-$300
Orion AntiquesPompano Beach, FL
Est.
$150
-$200
Aqua Arts & AntiquesAzor, Israel
Est.
$2,782
-$3,616
Mynt AuctionsNew York, NY
Est.
$4,446
-$5,779
Mynt AuctionsNew York, NY
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$2,700
-$3,960
NY Elizabeth Beverly Hills, CA
![Group of Four [4] Cut and Polished Fossilised Wood Slices: Triassic Period, 251-199 million years B.P. Comprising four thick slices, each showing agatized patterns and one with a small crystal-lined cavity. 253 grams total, 9-12.1 cm (3 1/2 - 4 3/4 in.). [4,](https://p1.liveauctioneers.com/1191/426518/237925245_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
$676
-$878
Mynt AuctionsNew York, NY
![Group of Eleven [11] Cut Malachite Slices: Comprising eleven cut slices showing contrasting green banding. 845 grams total, 5.5-16.8 cm (2 1/8 - 6 5/8 in.). [11, No Reserve] From the Democratic Republic of the Congo. Ex Mineral Imports, London](https://p1.liveauctioneers.com/1191/426518/237925342_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
£800
-£1,000
TimeLine Auctions Ltd.Harwich, Essex
![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
![Group of Ten [10] Cut and Polished Agate Geode Slices: Comprising ten polished transparent to translucent slices, some with crystal-lined centres, and one with dendritic inclusions. 844 grams total, 9-14 cm (3 1/2 - 5 1/2 in.). [10, No Reserve] From Brazi](https://p1.liveauctioneers.com/1191/426518/237925192_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Ten [10] Cut and Polished Agate Geode Slices: Comprising ten polished slices showing contrasting banding, six in enhanced green colour. 1.08 kg total, 10.5-13.3 cm (4 1/8 - 5 1/4 in.). [10, No Reserve] From Brazil. Ex Mineral Imports, London, UK.](https://p1.liveauctioneers.com/1191/426518/237925325_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Large Cut and Polished Banded Blue Agate Geode Slice Artefact Base: Thick, oval slice of a geode showing contrasting grey banding with some quartz crystals at the centre. 1.07 kg, 20 cm (7 7/8 in.). [No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bo](https://p1.liveauctioneers.com/1191/426518/237925275_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Twenty [20] Cut Malachite Slices: Comprising twenty irregular, unpolished specimens showing contrasting banding. 622 grams total, 4.4-16 cm (1 3/4 - 6 1/4 in.). [20, No Reserve] From the Democratic Republic of the Congo. Ex Mineral Im](https://p1.liveauctioneers.com/1191/426518/237925287_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
![Very Large Cut Natural Unpolished Fossilised Tree Trunk Slice: Triassic Period, 251-199 million years B.P. Thick section of agatised wood showing some bark detailing on the outside. 1.54 kg, 30.9 cm (12 1/8 in.). [No Reserve] From Madagascar. Ex Mineral Imports,](https://p1.liveauctioneers.com/1191/426518/237925185_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
Est.
$10
-$300
Sphere Auctions LLCSun Prarie, WI
![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.
$793
-$1,030
BidhausNew York, NY
![Group of Ten [10] Cut and Polished Agate Geode Slices: Attractive group of polished translucent slices showing contrasting bands, two showing quartz crystal formations, and with dendritic inclusions and four with horizontal banding. 795 grams total, 9.2-1](https://p1.liveauctioneers.com/1191/426518/237925181_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$780
-$1,014
Mynt AuctionsNew York, NY
![Polished Fossil Tree Slice: Triassic Period, 251-199 million years B.P. Agatized slice showing attractive patterns, polished on both sides. 437 grams, 15.7 cm (6 1/8 in.). [No Reserve] From a Cambridgeshire, UK, collection. Time](https://p1.liveauctioneers.com/1191/426518/237925183_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$1,079
-$1,402
Mynt AuctionsNew York, NY
Est.
$1,066
-$1,385
Mynt AuctionsNew York, NY
Related Searches
TOP