Rocks and Minerals
Showing 201–250 of 766 results
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Celestite druzy / geode fragments
£15.00 -
Celestite from El Aila, Spain
Price range: £5.00 through £7.50 -
Celestite from Sakoany deposit, Madagascar
£5.00 -
Celestite Specimens / Rough
Price range: £3.00 through £5.00 -
New
Ceruleite from Wheal Gorland, Cornwall
£20.00 -
New
Ceruleite from Wheal Maid, Cornwall
£15.00 -
Cerussite and Psilomelane from Plaka Mines, Greece
£10.00 -
New
Cerussite from Juno Mine, Germany
£2.00 -
New
Cerussite from Stoneycroft Smelter slag locality, Cumbria
£5.00 -
New
Cerussite from The Gannel Smelter slag locality, Cornwall
£5.00 -
Cerussite on Galena from Greystone Quarry, Cornwall
£20.00 -
Cerussite specimens from Bwlch Glas Mine, Wales
£10.00 -
Cerussite specimens from Kinniside Mine, Cumbria, UK
£15.00 -
Cerussite, Azurite and Malachite from Tynagh Mine, Ireland
£10.00 -
New
Chabazite and Offretite from Herbstein basalt quarry, Germany
£10.00 -
Chabazite-Ca and Gismondine-Ca from Aranga Quarry, New Zealand
£35.00 -
Chalcedony specimens (Black)
£3.00 -
Chalcedony Specimens (Botryoidal)
Price range: £8.00 through £12.00 -
Chalcedony specimens from Brandy Gill Mine, Cumbria
£10.00 -
Chalcedony Specimens from Indonesia (Botryoidal – known as Grape Agate)
Price range: £1.00 through £5.00 -
Chalcocite from Bampfylde Mine, Devon
£15.00 -
Chalcocite from Kesebol mine, Sweden
£4.00 -
Chalcophanite from Precaución Mine, Spain
Price range: £7.50 through £10.00 -
Chalcopyrite and Quartz from Huarón mining district, Peru
Price range: £7.50 through £10.00 -
New
Chalcopyrite from New West Caradon Mine, Cornwall
£3.00 -
New
Chalcopyrite from Old Sandbed Mine, Cumbria
£2.00 -
Chalcopyrite, Calcite, and Dolomite from Llynclys Quarry, Shropshire
£10.00 -
New
Chenevixite from Majuba Hill Mine, USA
£7.50 -
Chenite from Bonkhausen, Germany
£15.00 -
Chiastolite from Mirabel, Spain
Price range: £7.50 through £10.00 -
Childrenite from Drakewalls Mine, Cornwall
£20.00 -
Chrome Diopside from Gusdal Olivine Pit, Norway
£5.00 -
Chrysocolla Specimens
Price range: £4.00 through £20.00 -
Citrine druzy specimens (Heat treated Amethyst)
Price range: £5.00 through £6.00 -
Citrine Points (Heat Treated)
Price range: £3.00 through £5.00 -
Citrine Points with Goethite (Heat Treated)
£10.00 -
Clinochlore from Stubach valley, Austria
£10.00 -
Clinoclase from Bedford United Mine, Devon
£2.00 -
Conichalcite from Altenmittlau, Germany
£5.00 -
Conichalcite from La Encontrada Mine, Spain
£15.00 -
Conichalcite from La Reconquistada claim, Spain
£5.00 -
Conichalcite from Ojuela Mine, Mexico
£10.00 -
Connellite from Cligga Head, Cornwall
£10.00 -
New
Copiapite and Metavoltine from Anna mine, Germany
£20.00 -
Coquimbite specimens
£22.50 -
New
Corkite and Goethite from Schöne Aussicht Mine, Germany
£5.00 -
Cornish ‘Agate’ specimens
Price range: £2.50 through £3.00 -
New
Cornwallite from Sir Dominick Mine, Australia
£10.00 -
Corundum Specimens / Rough (Black)
£2.50 -
Corundum Specimens / Rough (Mixed)
Price range: £1.00 through £4.00
Minerals are mostly naturally occurring, inorganic substances with a definite chemical composition and an ordered atomic structure.
Rocks are composed of one or more minerals, mineraloids, or organic materials. They are classified into three main types—igneous, sedimentary, and metamorphic—based on how they form.