Rocks and Minerals
Showing 551–600 of 890 results
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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 -

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 £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 Specimens – Australian Opal in Limonite
£4.00 -

Opal Specimens – Hyalite (Opal-AN)
Price range: £1.50 through £7.00 -

Orthoclase Feldspar specimens from Norway
£1.50 -

Osumilite-Mg from Nickenicher Sattel, Germany
Price range: £10.00 through £20.00 -

Paralaurionite and Lanarkite from Meadowfoot Smelter, Scotland
£3.50 -

Paralaurionite from Meadowfoot Smelter, Scotland
Price range: £5.00 through £7.50 -

Paranatrolite and Aegirine from Brenk, Germany
£10.00 -

Pararammelsbergite from Heimberg Quarry, Germany
£25.00 -

Parnauite and Strashimirite from Herren adit, Austria
£20.00 -

Parnauite and Strashimirite from Schwarzleo mining district, Austria
£15.00 -

Parsonite from Ste Barbe vein, France
£20.00 -

Perovskite and Aragonite from Löhley, Germany
£10.00 -

Perovskite and Leucite from Graulay quarry, Germany
£10.00 -

Perovskite from Feuerberg, Germany
£10.00 -

Perovskite from Hannebach, Germany
£20.00 -

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: £5.00 through £15.00 -

Pharmacosiderite from Hemerdon Tungsten Mine, Devon
£5.00 -

Pharmacosiderite from Penberthy Croft Mine, Cornwall
£3.00 -

Philipsburgite from Driggith Mine, Cumbria
£10.00
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.