Rocks and Minerals
Showing 801–850 of 898 results
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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 -
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 -
Strengite from Ste Barbe vein, France
Price range: £10.00 through £25.00 -
New
Strunzite and Laueite from Palermo Mine, USA
£20.00 -
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 -
New
Tarbuttite from Kabwe Mine, Zambia
£15.00 -
Tektite Specimens (Black)
Price range: £1.50 through £2.00 -
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 -
Thomsonite from Quiraing, Scotland
£5.00 -
Thomsonite specimens from Ljósá Quarry
£50.00 -
Thulite specimens
Price range: £1.50 through £8.00 -
Tigers Eye Specimens / Rough (Golden)
£1.00 -
Titanite from Emmelberg, Germany
£10.00 -
Topaz crystals with Bixbyite
Price range: £1.25 through £10.00 -
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 -
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 -
Tourmaline Crystals (Brown/Dravite)
Price range: £0.45 through £0.75 -
Tourmaline Crystals (Green/Verdelite)
Price range: £0.35 through £3.00 -
Tourmaline Crystals (Mixed)
Price range: £2.00 through £5.00 -
Tourmaline from Meldon Quarry, Devon
£25.00 -
Tourmaline from Skardu, Pakistan
Price range: £3.00 through £3.50 -
Tourmaline specimens (Black in Mica)
£7.50 -
Tourmaline specimens (Black Schorl in Milky Quartz)
Price range: £2.50 through £3.00 -
Tourmaline specimens (Black Schorl in Smoky Quartz)
£15.00 -
Tourmaline specimens (Blue indicolite in matrix)
Price range: £10.00 through £15.00 -
Tourmaline specimens (Green in Quartz)
Price range: £15.00 through £25.00 -
Tourmaline specimens (Schorl on Feldspar)
£1.50
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.