Antiquities & Coins

Geological Sauropod Dinosaur FossilJurassic, Lower Lias, 199-175 million years BP. A fossil vertebra from a sauropod dinosaur, probably a tail bon...

Geological Eton College Museum Crocodile Leg Bone Fossil160 million BP. A leg bone from the extinct Jurassic crocodile Steneosaurus sp. from the O...

Geological Eton College Museum Crocodile Bone Fossil160 million BP. A bone from the extinct Jurassic crocodile Steneosaurus sp. from the Oxford Cl...

Geological Madagascan Ammonite Polished HalfEarly Cretaceous Period, 120 Million BP. A split and polished half of the ammonite Cleoniceras besairi...

Geological Otodus Obliqus Shark Tooth Fossils in MatrixEocene, 55 million years BP. Two Otodus Obliqus shark tooth fossils in a matrix of shelly l...

Geological Fossil FishEocene period, 58-36 million years BP. A well-preserved fossil predatory fish, showing especially fine preservation of its n...

Geological Jianghanhicthys Fish FossilEocene Period, 56-34 million years BP. A complete fossil fish Jianghanichthys with full bone structure and s...

Geological Diplomystus Fish FossilEocene Period, 56-34 million years BP. A well preserved fossil fish Diplomystus sp. on shale, with a second, les...

Geological Fossil Fish in Split RockEocene period, 58-36 million years BP. An unusual specimen of a split piece of limestone or limey shale showin...

Geological Fossil Fish NoduleCretaceous, 165-145 million years BP. A good quality Brazilian fossil fish specimen in a split sedimentary limestone ...

Geological Carpopenaeus Callirostris Shrimp FossilUpper Cretaceous, 100-66 million years BP. A fossil shrimp Carpopen Callirostris showing excelle...

Geological Sinosura Kelheimense Brittle Star FossilUpper Jurassic, 140 million years BP. A specimen showing three brittle star fossils of the spec...

Geological Stromatolite and Graptolite FossilsOrdovician, 485-443 million years BP. A group of two early fossils comprising: a stromatolite bearin...

Geological Ammonite and Cephalopod Fossil GroupLower Cretaceous, Albian Stage, 125 million years BP. A group of five fossil cephalopods comprising...

Geological Fossil Polished Ammonite GroupJurassic Period, 195-135 million years BP. A group of two fossil ammonites comprising: one with polished ...

Geological Ammonite Fossils in MatrixLower Jurassic, Lower Lias, 170-180 million years BP. Three specimens of ammonite fossils in matrix comprisin...

Geological Trilobite Fossil GroupOrdovician, 425-500 million years BP and Mid Devonian, 370 million years BP. A group of two fossil trilobites, on...

Geological `Ogygiocarella` Trilobite FossilMid-Ordovician Period, 470 million years BP. A sheet of shale bearing the fossil of the trilobite Ogygi...

Geological `Calymene` Trilobite FossilPalaeozoic Period, 540 million years BP. An example of the trilobite Calymenece sp. with good preservation o...

Geological `Flexicalymene` Trilobite FossilOrdovician Period, 370 million years BP. A fine example of a Flexicalymene ouzregi trilobite, in old wh...

Geological `Phacops` Trilobite Fossil GroupMiddle Devonian Period, 450 million years BP. Two examples of the trilobite genus Phacops that lived be...

Geological `Calymene` Trilobite FossilPalaeozoic Period, 540 million years BP. A fine example of a juvenile Calymene sp. trilobite from the Ordovi...

Geological Sea Urchin Fossil GroupCretaceous, 130-60 million years BP. A group of seven Orthopsis sp. fossil sea urchins, all well preserved and s...

Geological Sea Urchin Fossil GroupCretaceous, 100 million years BP. Two fossil sea urchins: and Echinocorys sculata from the Cretaceous period, in...

Geological Sea Urchin Fossil GroupCretaceous, 130-65 million years BP. A group of five Orthopsis sp. fossil sea urchins, all well preserved and sh...

Geological Hexagonaria Goldfussi Coral FossilsUpper Devonian Period, 419-359 million years BP. Two specimens of the colonial rugose coral Hexagona...

Geological Carboniferous `Disconites` Fern Fossil290 million BP. A substantial piece of shale bearing the fossil imprint of the fern Disconites st...

Geological Pecopteris Polymorpha Fern Fossil GroupUpper Carboniferous Period, 327-299 million years BP. A group of three fern fossils of Pecopteri...

Geological Ventifact Specimen GroupTwo ventifacts (wind polished stones), both with an unusually fine degree of polishing and shaping, in old whit...

Geological Museum Amethyst SpecimenA large display specimen of amethyst crystals exhibiting good form and colour, mounted on a mahogany plinth, wi...

Geological Diamond in Matrix SpecimenAn octahedral diamond crystal with stepped faces weighing approximately 1/2 ct in a matrix of kimberlite. Cf....

Geological Diamond in Matrix SpecimenAn octahedral diamond crystal with stepped faces weighing approximately 1/4ct in a matrix of kimberlite. Cf. ...

Geological Ashanti Gold in MatrixA choice example of quartz matrix vein material showing gold on all sides of the specimen. Cf. Bonewitz, Dr. Rona...

Geological Large 3,470 Carat Ruby CrystalA very large crystal of ruby with adhering matrix and overgrowths of additional ruby. Cf. Bonewitz, Dr. R...

Geological 300 Carat Aquamarine in MatrixA fine prismatic hexagonal crystal of blue aquamarine in quartz matrix exhibiting a few areas of gem-qual...

Geological Tourmaline Gem Crystal GroupA group of fourteen fine gem-quality green tourmaline crystals, comprising: a rare and unusual parallel gro...

Geological Emerald Crystal in MatrixAn emerald crystal in a matrix of quartz and biotite mica, the crystal of good hexagonal form and showing an u...

Geological Freeform Facetted AmethystA large and remarkable free-form gem-quality, facetted amethyst with fourteen major faces, good gem quality o...

Geological Smithsonite Specimen GroupA group of four richly coloured Smithsonite specimens in the colours commonly associated with this mineral: t...

Geological Alexandrite TrillingAn unusually large and well-crystallised trilling (multiply twinned crystal) of alexandrite chrysoberyl, showing ex...

Geological Alexandrite TrillingA large and well-crystallised trilling (multiply twinned crystal) of translucent alexandrite chrysoberyl, showing g...

Geological Alexandrite Trillings GroupA group of four well-crystallised trillings (multiply twinned crystals) of translucent alexandrite chrysober...

Geological Alexandrite Trillings GroupA group of three trillings (multiply twinned crystals) of translucent alexandrite chrysoberyl, showing fair ...

Geological Smoky Quartz CrystalA superb, large, fully gem-quality smoky quartz crystal with a fine yellowish-brown colour and bright faces, exhibi...

Geological Mixed Gemstone Carved Bird GroupA group of eleven carved composite gemstone birds, six mounted on gemstone bases and five un-mounted, v...

Geological Polished Eye Agate SpecimenA sawn and polished section through a nodule of banded ‘eye’ agate, exposing a number of colourful ‘eyes’, a...

Geological Quartz Sphere with Red Rutile InclusionsA spectacular and highly unusual light smoky quartz sphere with several red rutile crystals dev...

Geological Rainbow Quartz SphereAn unusually transparent quartz sphere with internal structures which diffract light into rainbow colours, produci...

Geological Rainbow Quartz Sphere GroupTwo quartz spheres with internal structures that diffract light into rainbow colours; supplied with stands. ...

Geological Malachite Polished EggA malachite egg with a remarkable pattern of banding, superb form, and a very high polish; supplied with stand. C...

Geological Mixed Gemstone Polished Egg GroupA group of seven gemstone eggs, all in high-quality materials and cut and polished to a high standard ...

Geological Mixed Gemstone Polished Egg GroupA group of three very high quality and well-cut gemstone eggs of malachite, haematite, and rose quartz...

Geological Agate Creek Polished Thunderegg Pairs GroupA select group of two sawn and polished pairs of thundereggs, one pair displaying the form o...

Geological Matched Amethyst Sectioned Geode PairTwo sawn and polished halves of an extremely fine amethyst-lined agate geode, each with finely ban...

Geological Matched Amethyst Sectioned Geode PairTwo sawn and polished halves of an exceptional amethyst-lined double-chambered agate geode with fi...

Geological Pyrite (Fool`s Gold) Mineral SpecimenTwo superbly formed, intergrown pyrite cubes; in old white card tray with Gregory, Bottley & Lloyd...

Geological Azurite Mineral SpecimenAn unusual azurite (copper carbonate) specimen consisting of an aggregate of four spherical of bladed azurites ...

Geological Sphalerite Mineral SpecimenA specimen of finely-formed sphalerite (zinc sulphide) crystals interspersed among crusts of quartz crystals...

Geological Quartz and Tetrahedrite Mineral SpecimenA sheet of finely-formed acicular quartz crystals interspersed with tetrahedrite (copper, iron,...

Geological Sphalerite and Quartz Mineral SpecimenAn interesting and unusual specimen of sphalerite (zinc sulphide) with a double quartz overgrowth...