Rocks and Minerals
Showing 551–600 of 907 results
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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 -
New
Mimetite from Lantignié, France
£5.00 -
Updated
Mimetite from Penberthy Croft Mine, Cornwall
Price range: £2.50 through £4.00 -
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 -
New
Molybdenite from Mont Saint-Hilaire, Canada
Price range: £2.50 through £3.00 -
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 -
Moroccan Quartz Geode specimens
£3.50 -
Mottramite from Mottram St Andrew, Cheshire
£5.00 -
Mottramite from Pim Hill Mine, Shropshire
£10.00 -
Updated
Mottramite from Tsumeb Mine, Namibia
£2.00 -
Mullite and Topaz from Emmelberg, Germany
£10.00 -
New
Mullite from Emmelberg, Germany
£6.50 -
Natrolite and Phillipsite from Láz Hill mine, Hungary
£25.00 -
New
Natrolite from Mont Saint-Hilaire, Canada
£3.00 -
New
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 £2.00 -
Obsidian Specimens / Rough (Snowflake)
Price range: £1.00 through £3.00 -
Obsidian specimens from Obsidian Ridge
£3.50 -
New
Offretite from Mont Semiol, France
£3.50 -
Okenite from Malad Quarry, India
£7.50 -
Oligoclase feldspar (Sunstone) from Sitasaongi mine, India
£5.00 -
Olivenite from Ting Tang Mine, Cornwall
Price range: £7.50 through £12.50 -
Olivenite from Wheal Gorland, Cornwall
£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 from Opal Butte, USA
£4.00 -
Opal Specimens – Australian Opal in Limonite
£4.00 -
Opal Specimens – Hyalite (Opal-AN)
Price range: £1.50 through £7.00 -
Opal-AN from Caspar quarry, Germany
£5.00 -
Orthoclase Feldspar specimens from Norway
£1.50 -
New
Osumilite-Mg from Nickenicher Sattel, Germany
Price range: £10.00 through £20.00 -
New
Paralaurionite and Lanarkite from Meadowfoot Smelter, Scotland
£3.50 -
Updated
Paralaurionite from Meadowfoot Smelter, Scotland
Price range: £5.00 through £7.50
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.