Rocks and Minerals
Showing 701–750 of 823 results
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Silicon Carbide Specimens
Price range: £1.00 through £3.00 -
Silicon Specimens (Lab grown)
£2.00 -
Smithsonite and Galena from Tsumeb Mine, Namibia
£10.00 -
Smithsonite from Kelly Mine, New Mexico, USA
£3.50 -
Smithsonite from Moss Mine, North Yorkshire
£10.00 -
Smithsonite from Tsumeb Mine, Namibia
Price range: £7.50 through £10.00 -
Smithsonite, Adamite, and Calcite from Hilarion Mine, Greece
£3.50 -
Smoky Quartz from Central St Gotthard Massif, Switzerland
Price range: £5.00 through £7.50 -
Smoky Quartz from Mooralla, Australia
£5.00 -
Smoky Quartz from the Great Longstone China Clay Pit, Cornwall
£30.00 -
Smoky Quartz geodes
£25.00 -
Sodalite from Sodalite mine, Namibia
£5.00 -
Sodalite Specimens / Rough
£4.50 -
Spessartine and Manganite from Yunxiao County, China
£20.00 - Sale!
Spessartine and Opal-AN from Yunxiao County, China
Price range: £15.00 through £23.50 -
Spessartine and Smoky Quartz from Tongbei, China
£50.00 -
Spessartine Garnet and Silver in Kaolinite from Broken Hill South Mine, Australia
£7.50 -
Spessartine, Feldspar, and Opal-AN from Yunxiao County, China
£25.00 -
Spessartine, Feldspar, and Quartz from Yunxiao County, China
Price range: £10.00 through £35.00 -
Sphalerite and Chalcopyrite from Joplin Field, USA
£15.00 -
Sphalerite and Pyrite from Great South Tolgus
£10.00 -
Sphalerite and Pyrite from Huarón mining district, Peru
£20.00 -
Sphalerite and Siderite from Řimbaba Mine, Czechia
£3.50 -
Sphalerite from Coed-Ely Colliery, Wales
£5.00 -
Sphalerite from Greystone Quarry, Cornwall
£15.00 -
Sphalerite specimens
Price range: £3.00 through £20.00 -
Sphalerite, Galena, and Siderite from Force Crag Mine, Cumbria
£10.00 -
Sphalerite, Quartz and Siderite from Abercynon Colliery, Wales
£10.00 -
Sphene mineral specimens
Price range: £3.00 through £7.50 -
Spinel Specimens
Price range: £2.50 through £3.00 -
Spodumene from Lovozero Massif, Russia
£10.00 -
Staurolite crystal twins
£1.55 -
Staurolite from Kerzest, France
Price range: £3.50 through £5.00 -
Stibnite from Jindřichov, Czech Republic
£10.00 -
Stibnite from Le Cetine di Cotorniano mine, Italy
£25.00 -
Stibnite from Nazarena Mine, Spain
£6.00 -
Stibnite mineral specimens
Price range: £2.00 through £35.00 -
Stilbite and Heulandite mineral specimens
Price range: £5.00 through £7.50 -
Stilbite and Stellerite from Eskifjörður, Iceland
£10.00 -
Stilbite from Saline Point, St Lucia
£10.00 -
Stilbite mineral specimens
Price range: £4.00 through £6.00 -
Straczekite from Union Carbide Mine, USA
£10.00 -
Strengite from Ste Barbe vein, France
Price range: £10.00 through £25.00 -
Strunzite and Laueite from Palermo Mine, USA
Price range: £20.00 through £30.00 -
Strunzite from Hagendorf, Germany
£20.00 -
Sulphur from Agrigento, Italy
Price range: £10.00 through £35.00 -
Sulphur from Mount Teide, Spain
Price range: £3.00 through £3.50 -
Sunstone Specimens / Rough
£2.95 -
Talc from Franklin Mine, USA
£2.00 -
Tarbuttite from Kabwe Mine, Zambia
£15.00
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.