Rocks and Minerals
Showing 751–800 of 806 results
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Tourmaline – polished slices (Watermelon)
Price range: £3.50 through £7.50 -
Tourmaline and Cassiterite from Whitestone Quarry, Devon
£20.00 -
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 £5.00 -
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 -
New
Tourmaline specimens (Schorl on Feldspar)
Price range: £1.50 through £7.50 -
New
Tridymite and Cristobalite from Vechec quarry, Slovakia
£15.00 -
Triplite from Megiliggar Rocks, Cornwall
£15.00 -
New
Tuperssuatsiaite from Aris Quarries, Namibia
£25.00 -
Turquoise Mineral Specimens
Price range: £1.00 through £10.00 -
Unusual Amethyst points
£5.00 -
Unusual Quartz points
£10.00 -
Uvarovite Garnet from Koskite Mine, Burma
£20.00 -
Uvarovite Garnet specimens from the Ural Mountains, Russia
£20.00 -
Vanadinite Crystals
Price range: £2.00 through £7.50 -
New
Vanadinite from Apache Mine, USA
Price range: £1.00 through £5.00 -
Vanadinite Specimens
Price range: £8.50 through £10.00 -
Vanadinite var Endlichite from Santa Eulalia Mining District, Mexico
£10.00 -
Variscite from Lucin Mining District, USA
£5.00 -
Variscite from Palazuelo de las Cuevas, Spain
Price range: £6.50 through £10.00 -
Vesuvianite from Pentreath Beach, Cornwall
Price range: £2.00 through £5.00 -
Veszelyite from Straitsteps Mine, Scotland
£20.00 -
Vonsenite from Monchi Mine, Spain
£10.00 -
Wavellite from Dug Hill, USA
£50.00 -
Wavellite specimens from Arkansas
Price range: £7.50 through £15.00 -
Wavellite specimens from High Down Quarry, Devon
Price range: £10.00 through £75.00 -
Willemite and Calcite from Sterling Mine, USA
Price range: £4.00 through £5.00 -
Willemite and Zincite from Franklin Mine, USA
£5.00 -
Willemite from Franklin Mine, USA
Price range: £3.50 through £5.00 -
Willemite from Sterling Mine, USA
Price range: £4.00 through £5.00 -
Willemite in Franklinite from Sterling Mine, USA
£5.00 -
Willemite, Calcite, and Franklinite from Sterling Mine, USA
£3.50 -
Willemite, Calcite, and Tephroite from Sterling Mine, USA
Price range: £3.50 through £5.00 -
Witherite from Pen-y-Clun mine, Wales
Price range: £1.00 through £2.00 -
Witherite from Settlingstones Mine, Northumberland
£20.00 -
Wolframite from Barruecopardo, Spain
£3.50 -
Wolframite from Drakelands Mine, Devon
Price range: £12.50 through £15.00 -
New
Wolframite from Ste Barbe vein, France
£2.00 -
Wolframite in Quartz, Carrock Mine, Cumbria
£100.00 -
Wulfenite from Albuñuelas, Spain
Price range: £10.00 through £20.00
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.