Rocks and Minerals
Showing 501–550 of 857 results
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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 -
Mesolite, Natrolite, and Thomsonite from Quiraing, Scotland
£7.50 -
Messelite from Palermo Mine, USA
£10.00 -
Meta-Stibnite after Berthierite from Gründenwald, Germany
£20.00 -
Metavoltine from Le Cetine di Cotorniano mine, Italy
£20.00 -
Mica and Tourmaline from Skardu, Pakistan
Price range: £4.00 through £10.00 -
Microcline from Lake George, USA
£15.00 -
Millerite from Coed-Ely Colliery, Wales
£5.00 -
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 -
Mimetite from Penberthy Croft Mine, Cornwall
Price range: £2.50 through £4.00 -
Minyulite from Tom’s Quarry, Australia
Price range: £7.50 through £15.00 -
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 Mont Saint-Hilaire, Canada
£2.50 -
Molybdenite from Toron Mines, Spain
£6.50 -
Molybdenite from Zinnwald, Germany
Price range: £5.00 through £6.00 -
Montgomeryite from Montcada Hill Quarry, Spain
£7.50 -
Mookaite Specimens
Price range: £3.00 through £10.00 -
Moroccan Quartz Geode specimens
£3.50 -
Mottramite from Pim Hill Mine, Shropshire
£10.00 -
Mottramite from Tsumeb Mine, Namibia
£2.00 -
Mullite and Topaz from Emmelberg, Germany
£10.00 -
Mullite from Emmelberg, Germany
£6.50 -
Natrolite and Phillipsite from Láz Hill mine, Hungary
£25.00 -
Natrolite from Mont Saint-Hilaire, Canada
£3.00 -
Nepheline and Calcite from Graulay quarry, Germany
£5.00 -
Nepheline from Town of Bancroft, Canada
£5.00 -
Nickeline from Cobalt area, Canada
Price range: £7.50 through £10.00 -
Obsidian Specimens / Rough (Apache Tear)
Price range: £0.65 through £2.50 -
Obsidian Specimens / Rough (Black)
£3.00 -
Obsidian Specimens / Rough (Mahogany)
Price range: £1.25 through £1.50 -
Obsidian Specimens / Rough (Snowflake)
Price range: £1.00 through £2.00 -
Obsidian specimens from Obsidian Ridge
£3.50 -
Oligoclase feldspar (Sunstone) from Sitasaongi mine, India
£5.00 -
Olivenite from Ting Tang Mine, Cornwall
£7.50 -
Olivenite from Wheal Gorland, Cornwall
Price range: £15.00 through £20.00 -
Olivenite from Wheal Unity, Cornwall
£10.00 -
Opal from Acari Mine, Peru
£5.00 -
Opal from Cabezo Negro de Tallante, Spain
£5.00 -
Opal Specimens – Hyalite (Opal-AN)
Price range: £1.50 through £5.00 - New
Opal-AN and Feldspar from Erongo Mountains, Namibia
£15.00
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.