Rocks and Minerals
Showing 801–850 of 907 results
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Sphalerite from Greystone Quarry, Cornwall
£15.00 -
Sphalerite from Smallcleugh mine, Cumbria
£20.00 -
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 from An Phú, Vietnam
£2.00 -
Spinel Specimens
Price range: £2.50 through £3.00 -
Spodumene from Lovozero Massif, Russia
£10.00 -
Spodumene var Kunzite Specimens / Rough
£5.00 -
Staurolite crystal twins
£1.55 -
Stibnite from Jindřichov, Czech Republic
£10.00 -
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 -
New
Stilbite from Loch Greshornish, Scotland
£7.50 -
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 -
Updated
Strengite from Ste Barbe vein, France
Price range: £10.00 through £25.00 -
Strunzite from Hagendorf, Germany
£20.00 -
Sulphur from Agrigento, Italy
Price range: £10.00 through £35.00 -
Sunstone Specimens / Rough
Price range: £2.95 through £9.95 -
Talc from Franklin Mine, USA
£2.00 -
Tanzanite from Merelani Hills, Tanzania
£1.00 -
Tanzanite Specimens
Price range: £1.00 through £2.00 -
Tektite Specimens (Black)
Price range: £1.50 through £2.00 -
New
Tellurium from Moctezuma Mine, Mexico
£5.00 -
Tephroite and Willemite from Sterling Mine, USA
£5.00 -
Tephroite and Zincite from Sterling Mine, USA
£5.00 -
Tetrahedrite from Calcite quarry, Germany
£10.00 -
Thomsonite from Garron Point, Northern Ireland
£2.50 -
Thomsonite from Lomba dos Pianos quarry, Portugal
Price range: £3.50 through £7.50 -
Thomsonite from Punta del Aguila, Lanzarote, Spain
£15.00 -
New
Thomsonite from Quiraing, Scotland
£5.00 -
Thomsonite specimens from Ljósá Quarry
£50.00 -
Thulite specimens
Price range: £1.50 through £8.00 -
Updated
Tigers Eye Specimens / Rough (Golden)
£1.00 -
Titanite from Emmelberg, Germany
£10.00 -
Topaz crystals with Bixbyite
Price range: £1.25 through £10.00 -
Updated
Topaz from Emmelberg, Germany
Price range: £3.50 through £7.00 -
Topaz Specimens (Imperial)
Price range: £1.00 through £5.00 -
Topaz Specimens / Rough (Clear)
Price range: £5.00 through £15.00 -
Updated
Torbernite from Ste Barbe vein, France
£15.00 -
Torbernite from Ting Tang Mine, Cornwall
£20.00 -
Tourmaline – polished slices (Watermelon)
Price range: £3.50 through £7.50 -
Tourmaline and Quartz from Skardu, Pakistan
Price range: £5.00 through £10.00 -
Tourmaline Crystals (Bicolour, Tricolour)
£3.00 -
Tourmaline Crystals (Black/Schorl)
Price range: £1.50 through £7.50
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.