Fossils, Minerals & Natural Sciences


Our Fossils, Minerals & Natural Sciences department offers treasures from the natural world. From exquisite mineral specimens and fascinating fossils to unique geological artifacts, each item is selected for its scientific significance, rarity and beauty.

Fossilised fish (Knightia alta); three freshwater fish in single matrix from the prehistor...

Offer Guide £500-1,000

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Fossilised fish (Knightia alta); freshwater fish in single matrix from the prehistoric sys...

Offer Guide £250-300

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Pair of polished ammonite plate, formed of individual ammonites age; Jurassic period, D17cm

Offer Guide £160-260

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Fossilised fish (Knightia alta); freshwater fish in single matrix from the prehistoric sys...

Offer Guide £150-250

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Fossilised fish group in a single matrix; shoal of fossilised fish (Knightia alta), age; E...

Offer Guide £180-220

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Fossilised fish group in a single matrix; shoal of fossilised fish (Knightia alta), age; E...

Offer Guide £150-200

Current Bid : £Loading...

Fossilised fish group in a single matrix; shoal of fossilised fish (Knightia alta), age; E...

Offer Guide £100-200

Current Bid : £Loading...

Large agate crystal geode cluster, in blue, brown and cream tones, H18cm

Estimate £120-160

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Pair of vases, of baluster form upon a stepped foot, with shell inclusions within the lime...

Offer Guide £100-150

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Septarian dish, with a calcite centre and argonite/siderite lines within limestone rock an...

Offer Guide £100-150

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Large calcite sphere, D14cm

Offer Guide £100-120

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Pair of purple agate slices, polished with rough edges raised upon gilt metal stands, H26cm

Offer Guide £50-100

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Polychrome jasper specimen egg, in creams, browns and earthy tones, upon a wooden stand, H12cm

Estimate £70-100

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Three polished brown agate geodes, largest H13cm, L18cm

Offer Guide £50-80

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Pair of Dugway geode, natural edged bookends, in purple tones, H16cm

Estimate £50-80

Current Bid : £Loading...

Two Crinoid slabs, age; Mississippian period, location; Gilmore City Formation, Iowa, larg...

Offer Guide £50-80

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Agate geode, with quartz crystals druzy, in earthy tones, H13cm

Estimate £50-70

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Agate crystal geode cluster, with crystals to the centre, in brown and grey tones, H8cm

Estimate £50-70

Current Bid : £Loading...

Polished petrified wood dish, some growth rings still visible, texture to edge, H5cm L24cm

Offer Guide £30-60

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Pair of fossilised coral mosaic vases, of hexagonal form, H46cm

Estimate £40-60

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Pair of blue red slices, polished with rough edges, H14cm

Estimate £30-60

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Pair of angelite spheres upon gilt metal stands, H8cm, D6cm

Offer Guide £40-60

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Pair of cinnabar spheres, upon gilt metal stands, H9cm D6cm

Offer Guide £40-60

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Petrified wood tree trunk/branch, sliced in cross-section with textured edge, H20cm

Offer Guide £20-50

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Five blue agate slices, polished with rough edges, H9cm, L7cm

Estimate £30-50

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Agate crystal geode cluster, with crystals to the centre, in brown and grey tones, H7cm

Estimate £30-50

Current Bid : £Loading...

Four polished blue agate geodes, largest H10cm, L18cm

Offer Guide £30-50

Current Bid : £Loading...

Agate crystal geode cluster, in blue and purple tones, H9cm

Estimate £30-50

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Agate crystal geode cluster, in brown and white tones, H7cm

Estimate £30-50

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Four purple agate slices of various sizes, polished with rough edges

Estimate £30-50

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Hardstone dish in the form of a leaf, L10cm

Estimate £15-40

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Polished ammonite plate, formed of individual ammonites age; Jurassic period, D20cm

Estimate £80-120

Current Bid : £Loading...

Megalodon (Otodus Megalodon) tooth fossil, with fine serrations, in matrix age; Miocene pe...

Estimate £80-120

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Pair of red agate slices, polished with rough edges raised upon gilt metal stands, H20cm

Estimate £50-100

Current Bid : £Loading...

Pair of green agate slices, polished with rough edges raised upon gilt metal stands, H21cm

Estimate £50-100

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Pair of pink tourmaline spheres, upon gilt metal stands, H9cm D5cm

Estimate £50-70

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Pair of angelite spheres upon gilt metal stands, H8cm D6cm

Estimate £50-70

Current Bid : £Loading...

Pair of aragonite spheres, D7cm

Estimate £50-70

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Collection of Cleoniceras ammonite fossil slices, with polished finish, age: Cretaceous pe...

Estimate £40-60

Current Bid : £Loading...

Three purple agate slices, polished with rough edges, of various sizes largest H7cm, L10cm

Estimate £40-60

Current Bid : £Loading...

Septarian slice, polished, with a calcite centre and argonite/siderite lines within limest...

Estimate £30-50

Current Bid : £Loading...

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