Rocks and Minerals
Showing 201–250 of 842 results
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Chabazite-Ca and Gismondine-Ca from Aranga Quarry, New Zealand
£35.00 -
Chabazite-Na and Phillipsite from Horseshoe Dam area, USA
£10.00 -
Chabazite, Offretite, Saponite from Upper Val Saviore, Italy
£10.00 -
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 Kesebol mine, Sweden
£4.00 -
Chalcophanite from Precaución Mine, Spain
Price range: £7.50 through £10.00 -
Chalcophyllite from Wheal Gorland, Cornwall
Price range: £5.00 through £35.00 -
Chalcopyrite and Quartz from Huarón mining district, Peru
Price range: £7.50 through £10.00 -
Chalcopyrite from New West Caradon Mine, Cornwall
£3.00 -
Chalcopyrite, Calcite, and Dolomite from Llynclys Quarry, Shropshire
£10.00 -
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 -
Childrenite from Palermo No. 1 Mine, USA
£10.00 -
Childrenite from West Wheal Crebor, Devon
Price range: £15.00 through £20.00 -
Chlorite and Quartz from Cligga Head, Cornwall
£1.00 -
Chlormayenite from Caspar quarry, Germany
£10.00 -
Chrome Diopside from Gusdal Olivine Pit, Norway
£5.00 -
Chrysocolla from Helvetia, USA
£10.00 -
Chrysocolla Specimens
Price range: £4.00 through £20.00 -
Citrine druzy specimens (Heat treated Amethyst)
£6.00 -
Citrine Points with Goethite (Heat Treated)
£10.00 -
Clinochlore from Stubach valley, Austria
£10.00 -
Clinoclase from Bedford United Mine, Devon
£2.00 -
Clinoptilolite and Mordenite from Succor Creek, USA
£25.00 -
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 -
Connellite from Penberthy Croft Mine, Cornwall
£5.00 -
Copiapite and Metavoltine from Anna mine, Germany
£20.00 -
Coquimbite specimens
£22.50 -
Cordierite and Mullite from Bellerberg Volcano, Germany
£7.50 -
Cornetite from L’Etoile du Congo Mine, DR Congo
£10.00 -
Cornish ‘Agate’ specimens
£2.50 -
Cornwallite from Sir Dominick Mine, Australia
£10.00 - Updated
Corundum Specimens / Rough (Blue/Sapphire)
Price range: £2.00 through £3.00 -
Corundum Specimens / Rough (Mixed)
Price range: £1.00 through £4.00 -
Corundum Specimens / Rough (Purple)
Price range: £2.00 through £4.00 -
Corundum Specimens / Rough (Red/Ruby)
Price range: £2.00 through £4.00 -
Crandallite from Tom’s Quarry, Australia
Price range: £5.00 through £10.00 -
Cumengeite from Amelia Mine, Mexico
£35.00 -
Cumengeite from Penpol smelter slag locality, Cornwall
Price range: £2.00 through £10.00 -
Cuprite and Copper from New Cliffe Hill Quarry, Leicestershire
£10.00 -
Cuprite and Copper from Phoenix United Mine, Cornwall
£1.00 -
Cuprite from Boiling Well Mine, Cornwall
£3.00
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.