![Large Natural Double Fossil Coral Head: Devonian Period, circa 417-354 million years B.P. An unpolished fossilised coral colony. 1.34 kg, 18.2 cm (7 1/8 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a r](https://p1.liveauctioneers.com/1191/415806/231335468_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Results for “Fossils and Minerals”
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
$220
-$300
Fantasy JewelryMuscat, AE
![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
![Group of One Hundred [100] Blue Calcite Mineral Specimens: A large group of light blue calcite specimens from Mexico. 1.06 kg total, 10-35 mm (3/8 - 1 3/8 in.). [100, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, U](https://p1.liveauctioneers.com/1191/415806/231335329_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Optical Calcite Mineral Specimen Collection: A group of ten optical calcite specimens, each held in a white card collector's tray. 170 grams total, 18-22 mm (5/8 - 7/8 in.). [10, No Reserve] Durango, Mexico. Mineral Imports, London, UK. Gregory,](https://p1.liveauctioneers.com/1191/415806/231335347_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Five [5] Amethyst and Fluorite Crystal Specimens: Comprising four matrix sections with dark purple amethyst crystals, and a large, cleaved fluorite octahedron; each supplied in a labelled specimen tray. 380 grams total, 58-66 mm (2 1/4 - 2 5/8 in.).](https://p1.liveauctioneers.com/1191/415806/231335396_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![A Collection of Twenty Six [26] Large Amethyst Mineral Specimens: A boxed group of dark amethyst specimens, mainly singular crystals with pyramidal terminations. 5.91 kg total including box, 2.9-10.6 cm (1 1/8 - 4 1/8 in.). [26, No Reserve] From Brazil. Ex Mineral I](https://p1.liveauctioneers.com/1191/415806/231335320_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
![Carnelian Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured carnelian and agate pebbles. 373 grams, 16 cm (6 1/4 in.). [No Reserve] From Brazil.](https://p1.liveauctioneers.com/1191/415806/231335344_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Large Polished Fossil Coral Head Heart: Devonian Period, circa 417-354 million years B.P. Cut to a heart shape and polished to reveal the internal structure. 117 grams, 68 mm (2 5/8 in.). [No Reserve] From a Cambridgeshire, UK, collection.](https://p1.liveauctioneers.com/1191/415806/231335368_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Large Rose Quartz Boulder: Vibrant pink boulder of microcrystalline rose quartz. 4.13 kg, 18 cm (7 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. TimeLine Auctions follows](https://p1.liveauctioneers.com/1191/415806/231335297_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
![Massive Cut and Polished 'Septarian Egg' Half: The attractive internal structure filled with yellow calcite, brown aragonite, and grey limestone. 3.96 kg, 21.5 cm (8 1/2 in.). [No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (](https://p1.liveauctioneers.com/1191/415806/231335491_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£80
-£100
TimeLine Auctions Ltd.Harwich, Essex
Est.
$70
-$140
ThousandPlanetSathorn, Bangkok
![Complete Unopened 'Discovery' Agate Crystal Geodes: A trio of rounded geodes, each unopened. 518 grams total, 49-69 mm (2 - 2 3/4 in.). [3, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. Time](https://p1.liveauctioneers.com/1191/415806/231335341_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Quartz Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished quartz pebbles. 600 grams, 17 cm (6 5/8 in.). [No Reserve] From Brazil. Ex Mineral Imports, London,](https://p1.liveauctioneers.com/1191/415806/231335294_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$40
-$80
ThousandPlanetSathorn, Bangkok
![A Group of Ninety Two [92] Fossil Wood Specimens: A boxed group of fossilised tree branch specimens, most showing bark detailing on the outside. 2.59 kg total including box, 24-57 mm (1 - 2 1/4 in.). [92, No Reserve] From Madagascar. Ex Mineral Impor](https://p1.liveauctioneers.com/1191/415806/231335474_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£40
-£60
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. 115 grams total, 33-36 mm (1 1/4 - 1 3/8 in.). [5, No Reserve] From a Cambrid](https://p1.liveauctioneers.com/1191/415806/231335408_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
Est.
$50
-$100
ThousandPlanetSathorn, Bangkok
![Whitby Jet Sample with Printed Information Card: An irregular cut piece of black jet, attached to an information card. 13 grams total, Jet: 46 mm (1 7/8 in.). [No Reserve] Ian Wilkinson collection, Nottinghamshire, UK, formed since 1985. TimeLine Au](https://p1.liveauctioneers.com/1191/415806/231335412_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£10
-£20
TimeLine Auctions Ltd.Harwich, Essex
Est.
$120
-$150
Fantasy JewelryMuscat, AE
Est.
$120
-$150
Fantasy JewelryMuscat, AE
Est.
$70
-$140
ThousandPlanetSathorn, Bangkok
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