Rocks and Minerals
Showing 251–300 of 890 results
-
Chiastolite from Mirabel, Spain
Price range: £7.50 through £10.00 -
Childrenite from Drakewalls Mine, Cornwall
£20.00 -
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)
Price range: £5.00 through £6.00 -
Citrine Points (Heat Treated)
£3.00 -
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 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 -
Connellite from Tolvadden 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 -
Cordierite from Nickenicher Sattel, Germany
Price range: £3.00 through £3.50 -
Cornish ‘Agate’ specimens
£2.50 -
Cornwallite from Sir Dominick Mine, Australia
£10.00 -
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 -
Cristobalite and Tridymite from Rothenberg quarry, Germany
£7.50 -
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 -
Cuprite var. Chalcotrichite from Ray Mine, USA
Price range: £12.50 through £15.00 -
Dalmatian stone Specimens / Rough
£1.95 -
Danburite Specimens / Rough
Price range: £1.50 through £10.00 -
Danburite with Calcite specimens
Price range: £3.50 through £10.00 -
Decrespignyite-(Y) from Paratoo copper Mine, Australia
£25.00 -
Descloizite from Berg Aukas Mine, Namibia
£15.00 -
Desert Rose Specimens
Price range: £1.25 through £2.00 -
Devilline and Brochantite from Haltcliffe Copper Smelter, Cumbria
£2.50 -
Dickite from Pant-y-Gaseg Mine, Wales
Price range: £2.00 through £10.00 -
Diopside and Hessonite Garnet from Ala Valley, Italy
£20.00 -
Diopside Crystal Specimens (Chrome)
Price range: £1.00 through £2.00 -
Dolomite Crystal Clusters (Pink)
£7.50 -
Dolomite from Broken Hill South Mine, Australia
£2.50 -
Dolomite from Franklin Mine, USA
Price range: £2.00 through £2.50 -
Dolomite from Llynclys Quarry, Shropshire
£10.00 -
Dolomite from Newhurst Quarry, Leicestershire
£10.00 -
Dolomite specimens from Croix-de-Pallières, France
Price range: £8.00 through £10.00 -
Dravite Tourmaline from Lysebotn, Norway
£10.00
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.