Rocks and Minerals
Showing 451–500 of 797 results
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Linarite from Herdorf, Germany
£20.00 -
Linarite from Old Sandbed Mine, Cumbria
£10.00 -
Linarite from Red Gill Mine, Cumbria
£20.00 -
Linarite from Silver Gill, Cumbria
£7.50 -
Loellingite from Monchi Mine, Spain
£5.00 -
Ludwigite from Toron Mines, Spain
£5.00 -
Magnesite from Azcárate Quarry, Spain
£5.00 -
Magnetite Crystal Specimens
Price range: £1.00 through £5.00 -
Magnetite crystals in matrix
£4.00 -
Magnetite from Imilchil, Morocco
£7.50 -
Magnetite from Port Muck, Northern Ireland
£5.00 -
Magnetite specimens from Iron Mountain, Utah, USA
Price range: £3.50 through £5.00 -
Malachite and Calcite from Great Orme, Wales
£5.00 -
Malachite from Bampfylde Mine, Devon
£20.00 -
Malachite from Bou Beker, Morocco
£7.50 -
Malachite from Burra Burra Copper Mine, Australia
£20.00 -
Malachite from Castor Mine, Germany
£25.00 -
Malachite from Clara Mine, Germany
£10.00 -
Malachite from Driggith Mine, Cumbria
£5.00 -
Malachite from Higher Roughton Gill, Cumbria
£10.00 -
Malachite from L’Etoile du Congo Mine, DRoC
£10.00 -
Malachite from Tistoulet mine, France
£10.00 -
Malachite on baryte from Clevedon Beach, North Somerset
£10.00 -
Malachite specimens from the Great Orme, Wales
Price range: £4.00 through £7.00 -
Manganese Dendrite specimens from Solnhofen, Germany
£12.50 -
Manganese dendrites in Calcite
£3.50 -
Manganocalcite from Pachapaqui mining district, Peru
£20.00 -
Manganocalcite from Sterling Mine, USA
£3.00 -
Mcguinnessite from Gulsen, Austria
£10.00 -
New
Melilite, Apatite and Nepheline from Löhley, Germany
£10.00 -
Mendipite from Torr Works Quarry, Somerset
Price range: £10.00 through £15.00 -
Menilite from Camp dels Ninots, Spain
£5.00 -
Meta-Stibnite after Berthierite from Gründenwald, Germany
£20.00 -
Mica and Tourmaline from Skardu, Pakistan
Price range: £4.00 through £10.00 -
Microcline from Lake George, USA
£15.00 -
Millerite from La Buscalie, France
£10.00 -
Mimetite and Quartz from Old Sandbed Mine, Cumbria
£3.50 -
Mimetite from Arm O’Grain, Cumbria
£3.00 -
Mimetite from Brandy Gill Mine, Cumbria
£10.00 -
Mimetite from Clara Mine, Germany
£5.00 -
Mixite from Schmiedestollen dump, Germany
£25.00 -
Molybdenite and Schorl from Hingston Down Quarry, Cornwall
Price range: £15.00 through £25.00 -
Molybdenite from Carrock Mine, Cumbria
£7.50 -
Molybdenite from Hingston Down Quarry, Cornwall
£12.50 -
Molybdenite from Malmbjerg Mine, Greenland
£10.00 -
Molybdenite from Toron Mines, Spain
£6.50 -
Molybdenite from Zinnwald, Germany
Price range: £5.00 through £6.00 -
Molybdenite specimens
£3.00 -
Montgomeryite from Montcada Hill Quarry, Spain
£7.50 -
Mookaite Specimens
Price range: £3.00 through £4.00
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.