Rocks and Minerals
Showing 501–550 of 797 results
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Moroccan Quartz Geode specimens
£3.50 -
Mottramite from Mottram St Andrew, Cheshire
£5.00 -
Mottramite from Pim Hill Mine, Shropshire
£10.00 -
New
Mullite and Topaz from Emmelberg, Germany
£10.00 -
Natrolite and Phillipsite from Láz Hill mine, Hungary
£25.00 -
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 -
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 from Virgin Valley, USA
£5.00 -
Opal Specimens – Australian Opal in Limonite
£4.00 -
Opal Specimens – Hyalite (Opal-AN)
Price range: £1.50 through £10.00 -
New
Opal-AN from Caspar quarry, Germany
£5.00 -
Orthoclase Feldspar specimens from Norway
£1.50 -
Pararammelsbergite from Heimberg Quarry, Germany
£25.00 -
Parnauite and Strashimirite from Herren adit, Austria
£20.00 -
New
Parnauite and Strashimirite from Schwarzleo mining district, Austria
£15.00 -
Paulingite from Vinařice, Czech Republic
£10.00 -
New
Perovskite and Leucite from Graulay quarry, Germany
£10.00 -
Perovskite from Hannebach, Germany
£20.00 -
New
Perovskite, Apatite, Leucite from Hannebacher Ley, Germany
£20.00 -
Perovskite, Nepheline, and Augite from Graulay quarry, Germany
£20.00 -
Petalite mineral specimens
Price range: £2.50 through £3.50 -
Phantom Amethyst points and clusters
Price range: £7.00 through £15.00 -
Pharmacosiderite from Hemerdon Tungsten Mine, Devon
£5.00 -
Philipsburgite from Driggith Mine, Cumbria
£10.00 -
Phillipsite from Basalt quarry, Austria
£5.00 -
Phillipsite from Limberg Quarries, Germany
£5.00 -
Phillipsite from Perrier, France
£5.00 -
Phillipsite from Playa Quemada, Spain
£10.00 -
Phillipsite from Sant Corneli Quarry, Spain
£7.50 -
Phillipsite from Uzsa, Hungary
£2.50 -
Phosphosiderite from Cubos-Mesquitela-Mangualde area, Portugal
£5.00 -
Plancheite from Mufulira Mine, Zambia
£15.00 -
Plumbogummite from Ste Barbe vein, France
£7.50 -
New
Plumbogummite from Ste Barbe vein, France
£10.00 -
Prehnite from Cortijo de la mina, Spain
Price range: £5.00 through £7.50 -
Prehnite Specimens
Price range: £4.00 through £6.00 -
Prehnite specimens from Djouga diggings, Mali
Price range: £5.00 through £6.50
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.