Sold2017Natural History - Polished Ammonite Fossil SpecimenJurassic Period, 200-145 million years BP. A sawn and polished pair of ammonite halves from Madagascar, showing its inner chambered structure, in an old white card tray with label reading: 'AMMONITE,See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteJurassic Period, 199-145 million years B.P. A pair of cut and polished fossil ammonite halves, each displaying the gas chambers; possibly Cleoniceras sp. 172 grams total, 95-97 mm (3 3/4 - 3 7/8 in.).See Sold Price
Sold2023Natural History - Fossil Goniatite Bookend PairDevonian Period, 417-354 million years B.P. Comprising a pair of polished fossiliferous matrices set with a polished Goniatite ammonite. 3.4 kg total, 15 cm high (5 7/8 in.). From a Cambridgeshire, UKSee Sold Price
Sold2019Natural History Fossil Fish and Ammonite GroupCretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5See Sold Price
Sold2016Natural History - Cleoniceras Polished Ammonite PairCretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calciteSee Sold Price
Sold2023Natural History - Polished Fossil Ammonite PlateJurassic Period, circa 199-145 million years B.P. A composite plate containing a large number of variously sized ammonites, polished upper face. 835 grams, 24.7 cm (9 3/4 in.). From Madagascar. From aSee Sold Price
Sold2015Natural History - Fossil Polished AmmoniteBacocian stage of the Jurassic Period, 168-172 million years BP. A large polished chambered ammonite Oolite sloenbachia sp. from Arbala, Middle Atlas Mountains, Morocco. 740 grams, 15cm (6"). PropertySee Sold Price
Sold2023Natural History - Polished Douvilleiceras Fossil Ammonite GroupMiddle Cretaceous Period, circa 150 million years B.P. Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. 160 grams tSee Sold Price
Sold2024Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, circa 150 million years B.P.. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers. 269 grams total, 10.5-10.7 cm (4 1/8 - 4 1/4 in.). From Madagascar.CoSee Sold Price
Sold2023Pair Natural Polished Ammonite Fossil SlicesPair Natural Polished Ammonite Fossil Slices. Each 8 inches in diameter.See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, circa 150 million years B.P. Cleoniceras sp. displaying the distinctive pattern of the cross-section chambers, some iridescence to outer surfaces. 220 grams, 95 mm each (3 3/See Sold Price
Sold2023Natural History - Cut and Polished Fossil AmmoniteMiddle Cretaceous Period, 150 million years B.P.. Polished to reveal the distinctive structure of the Cleoniceras sp. chambers, some iridescence. 124 grams total, 77-81 mm (3 - 3 1/8 in.). From MadagaSee Sold Price
Sold2017Natural History - Cut and Polished Fossil AmmoniteCretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-sectionSee Sold Price
Sold2023Natural History - Polished Goniatite Button Fossil Ammonite GroupDevonian Period, 417-354 million years B.P. A group of five polished Goniatite sp. fossil ammonite 'buttons'. 590 grams total, 73-86 mm (2 7/8 - 3 3/8 in.). From Morocco, North Africa.Ex CambridgeshirSee Sold Price
Sold2023Natural History - British Dactylioceras Fossil Ammonite PairJurassic Period, circa 200-190 million years B.P.. The matrix with two Dactylioceras tenuicostatum fossil ammonite specimens. 1.6 kg, 14 cm (5 1/2 in.). From the Holderness Coast, Yorkshire, UK. [No RSee Sold Price
Sold2019Natural History - Ammonite Display CollectionJurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, USee Sold Price
Sold2022Pair of 2 5/8" Matching - Polished Ammonite Fossil HalfsPair of 2 5/8" Matching - Polished Ammonite Fossil HalfsSee Sold Price
Sold2023Natural History - Orthoceras Fossil Book End PairDevonian Period, 417-354 million years B.P. A pair of polished fossil book ends, each trapezoidal and displaying a raised Orthoceras sp. fossil. 2 kg total, 12 cm high each (4 3/4 in.). From Morocco,See Sold Price
Sold2023Natural History - Whitby Dac Fossil AmmoniteLower Jurassic Period, Toarcian Stage, circa 180 million years B.P.. The round nodule half containing a Pseudolioceras ammonite. 554 grams total, 11.6 cm (4 1/2 in.). Ex Lincolnshire, UK, collection.See Sold Price
Sold2022Ammonite, Fossil, Rock, Natural, Collectible, SpecimenFossil Ammonite Half w/Polished Face EnglandSee Sold Price
Sold2023Polished Ammonite Fossil PairPolished, split ammonite fossil pair with lovely internal crystallization. Height/width/depth measurements are of one of the halves. Weight is of both combined.See Sold Price
Sold2017Natural History - Madagascar Sliced Ammonite PairJurassic Period, 199-145 million years BP. A cut and polished ammonite with crystal formations in the cavities, from Madagascar. 705 grams, 15cm (6"). Property of a London lady; by inheritance; formerSee Sold Price
Sold2024Natural History - Polished Orthoceras Book End PairDevonian Period, circa 417-354 million years B.P.. Each polished and cut from a single block containing multiple Orthoceras sp. and other fossil specimens. 1.95 kg total, 12.2 cm high (4 3/4 in.). FroSee Sold Price
Sold2015Natural History - Fossil Coral ColonyDevonian Period, 416-359 million years BP. A large fossil coral colony specimen pair, polished on one side to reveal the detail and colour of the species Arachnophyllum pentagonam, from Assa Zag, WestSee Sold Price
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of Brachiopod fossils, together with four sections of£30
May 19Heartland Artifact Auctions Inc4.1/4" Highly Polished Split Ammonite Fossil, beautiful color, with quarts inclusions$10
May 12Neo FineArts IncRare Natural Fossilized Jurassic Ammonite Fossil Specimen with Small Leather Bag$40
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: Three polished hardstone specimen spheres to include a£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: Three polished hardstone specimen eggs to include red jasper,£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: Three polished hardstone specimen eggs to include a lapis lazuli£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A polished agate and quartz hardstone specimen geode. Approx. 5£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A fossil specimen of a fish. Approx. 8 1/2" wide Please Note -£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: Four assorted polished hardstone specimen eggs. Largest approx.£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A large polished hardstone specimen sphere, possibly green£40
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen spheres, examples to£30(1 bid)
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimens, possibly Amazonite.£20
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen eggs, examples to£20
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimen eggs, possibly lapis£20
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone slices, to include amethyst,£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of assorted polished hardstone eggs to include£30
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of assorted polished hardstone specimens examples to£20
3 days LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of assorted polished hardstone specimens examples to£20