![Cut and Polished Amethyst Slice: A roughly rectangular slab of amethyst crystals showing some chevron-like formations. 197 grams, 11.9 cm (4 3/4 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a ri](https://p1.liveauctioneers.com/1191/415806/231335426_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Results for “Fossils and Minerals”
Est.
$90
-$180
ThousandPlanetSathorn, Bangkok
Est.
$90
-$180
ThousandPlanetSathorn, Bangkok
Est.
$50
-$100
ThousandPlanetSathorn, Bangkok
![Vinctifer Comptoni Fossil Fish: Cretaceous Period, 120 million years B.P. Comprising the frontal half of Vinctifer sp. fish. 763 grams, 30.4 cm (12 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows](https://p1.liveauctioneers.com/1191/415806/231335319_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£50
-£70
TimeLine Auctions Ltd.Harwich, Essex
![Group of Five Polished Fossil Coral Head Hearts: Devonian Period, circa 417-354 million years B.P. Each cut to a heart shape and polished to reveal the internal structure. 125 grams total, 32-38 mm (1 1/4 - 1 1/2 in.). [5, No Reserve] From a Cambrid](https://p1.liveauctioneers.com/1191/415806/231335450_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Three Otodus Fossil Shark's Teeth on Rock: Eocene Period, circa 56-33 million years B.P. Comprising three Otodus obliquus teeth set on individual sandstone matrices. 658 grams total, 78-82 mm (3 - 3 1/8 in.). [3, No Reserve] From a Cambridgesh](https://p1.liveauctioneers.com/1191/415806/231335318_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Ninety-Five [95] Boxed Pink Calcite Rhombs: Boxed group of transparent pink calcite rhombs showing birefringence. 1.37 kg total including box, 12-31 mm (1/2 - 1 1/4 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gr](https://p1.liveauctioneers.com/1191/415806/231335476_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
![Polished Fossil Coral Head: Devonian Period, circa 417-354 million years B.P. An irregular specimen showing the internal structure. 283 grams, 81 mm (3 1/8 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Aucti](https://p1.liveauctioneers.com/1191/415806/231335388_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&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
![A Group of Twenty [20] Large Fuchsite Mineral Specimens: A boxed group of emerald to light green specimens showing pearly lustre. 2.94 kg total including box, 50-85 mm (2 - 3 3/8 in.). [20, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloy](https://p1.liveauctioneers.com/1191/415806/231335331_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Selenite Crystal Wand Specimen Group: A group of twenty selenite wands with pearly lustre. 460 grams total, 53-74 mm (2 - 3 in.). [20, No Reserve] Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). TimeLine Auctions follow](https://p1.liveauctioneers.com/1191/415806/231335461_1_x.jpg?height=280&quality=70&sharpen=true&version=1777480633&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![A Large Collection of Natural Ruby in Zoisite Mineral Specimens: A boxed group of unpolished ruby in zoisite specimens. 3.95 kg total including box, 16-56 mm (5/8 - 2 1/4 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwi](https://p1.liveauctioneers.com/1191/415806/231335286_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
Est.
$40
-$80
ThousandPlanetSathorn, Bangkok
![Group of Seventeen [17] Boxed Arkansas Quartz Crystal Display Specimens: Boxed group of colourless quartz specimens, in lined and labelled specimen trays. 677 grams total including box, 41-67 mm (1 5/8 - 2 5/8 in.). [No Reserve] From Arkansas, USA. Ex Mineral Imports, Lond](https://p1.liveauctioneers.com/1191/415806/231335465_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
Est.
$50
-$100
ThousandPlanetSathorn, Bangkok
Est.
$200
-$300
ArtAntiques.comNew York, NY
![Group of Grossular Garnet Mineral Specimens: A group of grossular garnet mineral specimens; held in a white card collector's tray. 314 grams total, 20-42 mm (3/4 - 1 1/2 in.). [No Reserve] Mineral Imports, London, UK. Gregory, Bottley & Lloyd (G](https://p1.liveauctioneers.com/1191/415806/231335304_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$100
-$200
Williamson Auction GalleryHollywood, FL
![A Very Large Quantity of Durango Apatite Crystal Specimens: Mainly comprising pale yellow hexagonal crystal sections, some showing red to brown colours. 1.01 kg total including box, 6-20 mm (1/4 - 3/4 in.). [No Reserve] From Mexico. Ex Mineral Imports, London,](https://p1.liveauctioneers.com/1191/415806/231335398_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
Est.
$220
-$300
Fantasy JewelryMuscat, AE
![Large Natural Fossil Coral Head: Devonian Period, circa 417-354 million years B.P. A domed unpolished section of a coral head. 1.1 kg, 15.5 cm (6 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a r](https://p1.liveauctioneers.com/1191/415806/231335483_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Citrine Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 510 grams, 20 cm (7 3/4 in.). [No Reserve] From Brazil. Ex Mineral I](https://p1.liveauctioneers.com/1191/415806/231335447_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
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