Fifteen cube mineral specimens, each cut and polished to highlight natural formations, including tiger eye, black obsidian, green aventurine, rose quartz, opalite, rhodonite etc, H2cm

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

Estimate £80-120

Polished petrified wood dish, some growth rings still visible, texture to edge, H5cm L23cm

Estimate £50-80

Pair of ammonite fossil, mounted upon a rectangular wooden base, age; Cretaceous period, l...

Estimate £160-180

Pair of aragonite spheres, D7cm

Estimate £50-70

Three polished brown agate geodes, largest H13cm, L18cm

Estimate £50-80

Four polished blue agate geodes, largest H10cm, L18cm

Estimate £30-50

Six fossilised fish (Knightia alta) in four matrix; Eocene period, location; Green River F...

Estimate £40-60

Polished petrified wood dish, texture to edge, H5cm L24cm

Estimate £30-50

Polished petrified wood dish, some growth rings still visible, texture to edge, H5cm L16cm

Estimate £30-80

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

Offer Guide £40-60

Pair of orthoceras fossil towers, age: Devonian period, location: Morocco, larger tower, H55cm

Offer Guide £140-180

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

Offer Guide £100-150

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

Offer Guide £50-80

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

Offer Guide £30-50

Pair of sodalite spheres, D7cm

Offer Guide £50-80

Agate crystal geode cluster, in black and brown tones, H19cm

Offer Guide £60-80

Pair of cinnabar spheres, D6cm

Offer Guide £40-60

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

Offer Guide £30-50

Polychrome jasper specimen egg, in creams, browns and earthy tones, H12cm

Offer Guide £70-100

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

Offer Guide £100-150

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

Offer Guide £50-70

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

Offer Guide £50-80

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

Offer Guide £30-50

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

Offer Guide £30-50

Large Megalodon (Otodus Megalodon) tooth fossil, with fine serrations in a matrix, age; Mi...

Offer Guide £120-160

Megalodon (Otodus Megalodon) tooth fossil, with fine serrations, H11.5cm

Offer Guide £80-120

Large Megalodon (Otodus Megalodon) tooth fossil, with fine serrations age; Miocene period ...

Offer Guide £140-180

Megalodon (Otodus Megalodon) tooth fossil, with fine serrations, H10.5cm

Offer Guide £80-120

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

Offer Guide £80-120

Megalodon (Otodus Megalodon) tooth fossil, with fine serrations, H10.5cm

Offer Guide £80-120

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

Offer Guide £120-160

Pair of angelite spheres, D6cm

Offer Guide £50-70

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

Offer Guide £40-60

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

Offer Guide £30-60

Agate crystal geode cluster, in blue and white tones, H12cm

Offer Guide £40-60

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

Offer Guide £30-50

Hardstone dish in the form of a leaf, L10cm

Offer Guide £15-40

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

Offer Guide £30-50

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

Offer Guide £50-70

Large calcite sphere, D14cm

Offer Guide £100-120

Pair of angelite spheres, D6cm

Offer Guide £40-60

Pair of pink tourmaline spheres, upon carved wooden bases, D5cm

Offer Guide £50-70