Rocks and Minerals
Showing 501–550 of 595 results
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Shungite specimens (Rough)
£1.25 -
Siderite from Devon Great Consols, Devon
£2.50 -
Siderite from George and Charlotte Mine, Devon
£15.00 -
New
Siderite from Gravel Hill Mine, Cornwall
£2.50 -
Siderite from Penlee Quarry, Cornwall
£15.00 -
New
Siderite from Wheal Cock, Cornwall
£2.00 -
New
Siderite, Sphalerite and Quartz from Vojtěch Mine, Czech Republic
£10.00 -
Silicon Specimens (Lab grown)
£2.00 – £4.00 -
New
Smithsonite and Siderite from Ladywash Mine, Derbyshire
£3.00 -
Smithsonite from Kelly Mine, New Mexico, USA
£50.00 -
Smoky Quartz from Central St Gotthard Massif, Switzerland
£5.00 – £7.50 -
Smoky Quartz from Hartcliffe Rocks, North Somerset
£15.00 -
Smoky Quartz from Mooralla, Australia
£5.00 -
Smoky Quartz from the Great Longstone China Clay Pit, Cornwall
£30.00 -
Smoky Quartz geodes
£25.00 -
Updated
Sodalite from Sodalite mine, Namibia
£5.00 -
Sodalite Specimens / Rough
£4.50 -
New
Spessartine and Smoky Quartz from Tongbei, China
£50.00 -
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 from Greystone Quarry, Cornwall
£15.00 -
Sphalerite from Smallcleugh mine, Cumbria
£20.00 -
Sphalerite specimens
£3.00 – £20.00 -
Sphalerite, Galena, and Siderite from Force Crag Mine, Cumbria
£10.00 -
New
Sphalerite, Quartz and Siderite from Abercynon Colliery, Wales
£10.00 -
Sphene mineral specimens
£3.00 – £7.50 -
New
Spinel from An Phú, Vietnam
£2.00 -
Spinel Specimens
£2.50 – £3.00 -
New
Spodumene from Lovozero Massif, Russia
£10.00 -
Spodumene var Kunzite Specimens / Rough
£5.00 -
Staurolite crystal twins
£1.55 -
Stibnite from Nazarena Mine, Spain
£6.00 -
Stibnite mineral specimens
£2.00 – £35.00 -
Stilbite and Heulandite mineral specimens
£5.00 – £7.50 -
New
Stilbite and Stellerite from Eskifjörður, Iceland
£10.00 -
Stilbite from Saline Point, St Lucia
£10.00 -
Stilbite mineral specimens
£4.00 – £6.00 -
Sulphur from Agrigento, Italy
£10.00 – £35.00 -
Sunstone Specimens / Rough
£2.95 – £9.95 -
New
Tanzanite from Merelani Hills, Tanzania
£1.00 – £2.00 -
Tanzanite Specimens
£1.00 – £2.00 -
Tektite Specimens (Black)
£1.50 – £7.50 -
Thomsonite from Lomba dos Pianos quarry, Portugal
£3.50 – £7.50 -
New
Thomsonite from Punta del Aguila, Lanzarote, Spain
£15.00 -
Thomsonite specimens from Ljósá Quarry
£50.00 -
Thulite specimens
£1.50 – £8.00 -
Titanite from Emmelberg, Germany
£10.00 -
Topaz crystals with Bixbyite
£1.25 – £10.00 -
Updated
Topaz Specimens (Imperial)
£1.00 – £5.00
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.