Rocks and Minerals
Showing 701–750 of 920 results
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Quartz from Penlee Quarry, Cornwall
£12.50 -
Quartz from Pentireglaze Mine, Cornwall
£10.00 -
Quartz from Porthoustock, Cornwall
£10.00 -
Quartz from Rémuzat, France
£10.00 -
Quartz from Theta Mine, South Africa
£3.50 -
Quartz from Wheal Remfry China Clay Pit, Cornwall
£10.00 -
Quartz Points
Price range: £2.00 through £7.50 -
Quartz Points (Hematoid)
£1.95 -
Quartz Points (Smoky)
Price range: £2.00 through £3.00 -
Quartz points with Fluorite
£8.00 -
Quartz points with Goethite phantom
£15.00 -
Quartz specimens (Elestial / Skeletal)
£35.00 -
Quartz specimens (Phantom)
£5.00 -
Quartz Specimens / Rough (Rose)
£2.00 -
Quartz Specimens / Rough (Rutilated)
Price range: £3.50 through £10.00 -
Quartz specimens from Tole, Pakistan
£3.50 -
Quartz with Chlorite inclusions
£24.95 -
Quartz with Dumortierite inclusions
Price range: £3.00 through £10.00 -
Quartz with Fluorite Inclusions
Price range: £25.00 through £200.00 -
Quartz with Garnet inclusions (Smoky)
£50.00 -
Quartz with Hydrocarbon Inclusions
Price range: £2.50 through £15.00 -
Quartz with inclusions
£4.95 -
Quartz with specularite inclusions from Crowgarth Mine, Cumbria
£35.00 -
Quartz, Mica, and Tourmaline from Skardu, Pakistan
Price range: £5.00 through £10.00 -
Ramsbeckite from Penrhiw Mine, Wales
£10.00 - New
Realgar from La Chazotte mine, France
£10.00 -
Realgar from Saint-Étienne, France
£10.00 -
Reinhardbraunsite from Caspar quarry, Germany
£7.50 -
Remondite-Ce from Mont Saint-Hilaire, Canada
£20.00 -
Renierite from Kipushi, DR Congo
£50.00 -
Rhodochrosite and Galena from Potosí Mine, Mexico
£15.00 -
Rhodochrosite and Quartz specimens
Price range: £18.00 through £35.00 -
Rhodochrosite from Burdell Gill, Cumbria
£10.00 -
Rhodochrosite from Capillitas Mine, Argentina
Price range: £1.00 through £15.00 -
Rhodochrosite from Potosí Mine, Mexico
Price range: £10.00 through £15.00 -
Rhodochrosite var. Capillitite from Capillitas Mining District, Argentina
£10.00 -
Rhodonite (Vittinkiite) from Woods Mine, Australia
£5.00 -
Rhodonite from Sydenham and Lee Wood mine, Devon
£5.00 -
Rhönite from Bellerberg volcano, Germany
£2.00 -
Rhönite from Wannenköpfe Quarry, Germany
Price range: £5.00 through £7.50 -
Rhyolite specimens (Orbicular)
£5.00 -
Rockbridgeite from Cubos-Mesquitela-Mangualde, Portugal
£7.50 -
Rockbridgeite from Leonie I Mine, Germany
£10.00 -
Roedderite from Emmelberg, Germany
£10.00 -
Rosasite and Adamite from Vouves, Greece
£20.00 -
Roscoelite mica from Merelani Hills, Tanzania
£3.00 -
Rutile and Quartz from Saurüssel, Austria
£15.00 -
Rutile from Carrock Mine, Cumbria
£7.50 -
Rutile from Lanterdan Quarry, Cornwall
£10.00 -
Rutile from Lochan na Lairige, Scotland
£35.00
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.