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    Accretionary Lapilli Tuff £2.25 – £6.00 ex VAT

    Accretionary lapilli tuff is an igneous pyroclastic rock, these samples come from Longsleddle, Cumbria in the UK and forms when hot ash and debris is ejected from as volcano. Some of this material is held together by moisture and once heavy enough, falls into the ash below forming small ‘spots’ within the material, creating a speckled rock. The samples are suitable both for young and serious collectors as well as educational use and are supplied in various sizes with a card tray and label.

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    65 in stock

  • Agate in Basalt (Scotland) £3.00 ex VAT

    Specimens of agate within basalt from Barras, Kincardineshire, Scotland. These samples of agate have a red to white colouration and have filled the cavities of basalt. Specimens are supplied in a white card tray with an information label.

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    2 in stock

  • Agglomerate £2.25 – £6.00 ex VAT

    Agglomerate igneous rock specimens from Scotland, UK. A coarse grained, hard blocky rock exhibiting a conglomeration of various minerals and igneous material of volcanic origin. These samples formed part of the Glen Coe caldera and are apart of the upper streaky andesite unit, the exhibit poor sorting and orientation of material which indicates a somewhat violent origin but this can vary from agglomerates by location and is mainly down to the chemistry of the igneous material. The samples are available in 3 sizes and come supplied in a card tray with a label, they are suitable for educational use to show the different types of volcanic rocks produced as well as those interested in collecting rock samples.

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  • Amygdaloidal Basalt £2.25 – £6.00 ex VAT

    Amygdaloidal basalt is an igneous rock which is extrusive in nature, these specimens formed over 60 million years ago during the Tertiary period and come from Ireland. They are part of the Antrim lava group and exhibit a dark colouration with occurrences of amygdales containing quartz and calcite crystals. As a basalt they are somewhat dense, but lighter than pure samples due to the cavities within them which formed as a result of gaseous activity during their ejection. Over time, hydrothermal fluids pass through the rock and minerals form within the cavities, which gives the usually dark coloured rock a speckled appearance. These samples are available in various sizes and are suitable for higher educational use to detail the subtle differences between similar igneous rocks, they come supplied in a card tray with an information label.

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    64 in stock

  • Andesite £2.25 – £3.50 ex VAT

    Andesite igneous rock specimens of late Ordovician age which form part of the Barrowdale volcanic group. The rocks come from Cumbria, UK and have a dark colouration with a blue tint and may contain augite crystals. The rocks are intermediate in chemistry and suitable for higher level education to explain the difference in various igneous groups. Samples are available in 3 sizes and will come supplied in a card tray with an information label.

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  • Angelite
    Angelite (Anhydrite) – Peru £1.50 – £8.00 ex VAT

    Angelite is a popular trade name for a variety of Anhydrite that is light blue-grey in colour, semi-transparent, fine grained and marketed as gem material. These specimens, along with most angelite, are from Lima, Peru and were collected near the Casapalca Mine at Casapalca, Huarochiri Province, Lima Department, Peru.

     

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  • Augite Andesite £2.25 – £6.00 ex VAT

    Augite andesite igneous rock specimens from Thirlmere, Cumbria, UK which are of late Ordovician age which form part of the Barrowdale volcanic group. The samples are of intermediate composition and contain phenocrysts of the pyroxene mineral, augite, giving the normally dark blue rock a black speckled appearance. The samples are available in 3 sizes and come supplied in a card tray with a label.

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    87 in stock

  • Baryte Tabular Crystal Beds (Cumbria) £2.00 – £11.00 ex VAT

    Specimens of white tabular baryte crystal beds from Cumbria, UK. Ideal for collectors of British mineral specimens. Samples are supplied a white car tray with an information label.

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  • Massive Biotite
    Biotite Mica (Massive) – Norway £1.50 – £6.00 ex VAT

    Massive Biotite Mica specimens, collected from Arendal, Norway. These specimens depict a “massive” crystal structure, as opposed to the more commonly seen sheets. Like all biotite mica, these specimens are dark in colour, exhibiting a dark grey to black hue. Mica is one of the most common mineral groups, with biotite being the most abundant member. Biotite is very common in igneous and metamorphic rocks, with the dark minerals in granites, pegmatites and gneiss often being due in some part to the presence of this black mica. This massive biotite are available in limited supply so we recommend you move fast if you wish to add a piece to your collection. Supplied in a white card tray with information label.

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  • Chalcedony (France) £3.45 – £24.15 ex VAT

    Specimens of chalcedony with quartz from Alabaster Coast, Normandy, France. These samples of chalcedony have a predominantly pale blue colouration with some inclusions of white and pale red material, some pieces also contain quartz crystal beds. These specimens are supplied in a white card tray with an information label.

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  • Chrome Diopside
    Chrome Diopside – Norway £2.00 – £12.00 ex VAT

    Specimens of Chrome Diopside that were collected from the Gusdal Olivine Pit, Åheim, Norway. These samples are best described as chrome bearing diopside. Diopside, a vivid green pyroxene mineral, features streaks of grey chromite that creates a stunning mineral sample that would be the perfect addition to any collection. Whilst many samples of chrome diopside tend to be crystalline in nature, our samples are unique as the feature a grainier, more crumbly texture. These specimens are in limited availability, so we recommend you move fast if you wish to add these stunning specimens to your collection. They are available in a range of sizes and come supplied in a white card tray with information label.

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  • German Eclogite
    Eclogite – Germany £2.00 – £25.00 ex VAT

    German Eclogite specimens from Weissenstein, Bavaria. Eclogite is a metamorphic rock, featuring red garnets within a matrix of sodium rich plagioclase called omphacite. These samples are perfect for both collectors and for educational use. They come supplied in a white card tray with an information label. Limited stock available.

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  • Epidote - USA
    Epidote – USA £1.50 – £2.25 ex VAT

    Specimens of Epidote from Michigan, USA. In particular, they have been collected from the Laurium Mine, Osceola, Houghton County. Epidote is an abundant rock forming mineral that is most commonly green in colour. These specimens date from the Stenian period, approximetely 1 – 1.2 billion years ago. These specimens are available in limited supply, with two different size options. They come supplied in a white card tray with information label.

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  • Fluorite – Fallgate Quarry £1.15 – £11.50 ex VAT

    Specimens of fluorite crystal beds from Fallgate Quarry, Ashover, Derbyshire, UK. Samples are available in multiple sizes and come supplied with an information label. Ideal samples for collectors of British fluorite specimens.

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  • Galena (Leadhills) £1.50 – £5.00 ex VAT

    Specimens of galena in matrix from Leadhills, South Lanarkshire, Scotland,UK. Galena is a lead sulphide mineral which is a popular mineral among many, from amateurs to professionals and for varying reasons. Galena is the primary ore of lead, and as such, has had a large impact historically on human history. In general, galena has blue hue and a metallic (shiny) lustre and is often reflective, but can dull over time with exposure. It normally forms with a cubic crystal system and as such, when large chunks are broken, it will often break into cubes, or certain sides will appear “blocky”. Due to it’s low melting point, galena was easy to smelt and thus played in important role an human industry, being used in a range of item such as lead pipes, building materials, electronics and of course in pencils. These samples display galena crystals of varying sizes and lustres within a matrix. Pieces are supplied in a white card tray with an information label, multiple sizes are available.

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  • Iridescent Goethite (Graves Mountain) £5.75 – £34.50 ex VAT

    Specimens of iridescent goethite with quartz from Graves Mountain, Georgia, U.S.A. These peculiar pieces are a must have for any mineral collector. Various sizes are available, samples are supplied in a white card tray with an information label.

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  • Ironstone
    Ironstone – USA £2.00 – £30.00 ex VAT

    Specimens of Ironstone that have been collected from Breitung Mine, Marquette County, Negaunee, Michigan, USA. These specimens are a deep reddish brown in colour with some specimens exhibiting clear banding. Please note that banding is not visible on all pieces. These specimens are available in very limited supply with three sizes to choose from. They come supplied in a white card tray with information label.

    Additionally we also have one large display piece available, measuring approximately 18cm x 15cm at its widest points. This display specimen exhibits a distinct botryoidal texture on its top surface, making it an intriguing and appealing specimen to add to any collection.

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  • Pink Agate (India) £1.50 – £6.00 ex VAT

    Specimens of pink agate from India. Agate is a common silica mineral and a variety of chalcedony, usually forming within the cavities of volcanic rocks. Agate is comprised of banded fibrous chalcedony, the crystals of which can be quite difficult to see resulting in agates classification as having a cryptocrystalline habit. The banding within the agate is a result of changing translucency within the mineral, these bands may also vary in colour if other minerals are present. These particular specimens of agate have an attractive pale pink colouration with small – moderate amounts of brown agate present. Some specimens may also contain cavities filled with pale pink to white quartz crystals. Samples are supplied in a white card tray with an information label.

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  • Polyhedral Agate Display Specimen 02

    A display specimen of an uncut polyhedral agate from Paraiba, Brazil. The piece measures approximately 12.5 x 8 x 2.8 cm at its widest points and weighs roughly 277 grams.

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    1 in stock

  • polythene
    Polythene Bags – 610 x 910 mm 750 Gauge £21.50 – £800.00 ex VAT

    Polythene sample bags that measure 610 x 910 mm  and 750 gauge (187 mu) in thickness. Ideal for mineral exploration and core drilling ventures, particularly those involving extensive sample collection of rocks, minerals, soils, and other materials for analysis. These particular bags are quite large in size have have a thicker film, therefore making them more suitable for many specimens as well as larger and heavier samples. Discounts and custom sizing for bulk orders is also available. Please email if you wish to enquire about this. There may be a few weeks lead times for orders of 1000+ bags.

    We also supply a range of sampling bags in other materials. You can view our full collection of bags here.

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  • polythene
    Polythene Bags – 710 x 800 mm 800 Gauge £29.00 – £1,080.00 ex VAT

    Polythene sample bags that measure 710 x 800 mm  and 800 gauge (200 mu) in thickness. Ideal for mineral exploration and core drilling ventures, particularly those involving extensive sample collection of rocks, minerals, soils, and other materials for analysis. These particular bags are quite large in size have have a thicker film, therefore making them more suitable for many specimens as well as larger and heavier samples. Discounts and custom sizing for bulk orders is also available. Please email if you wish to enquire about this. There may be a few weeks lead times for orders of 1000+ bags.

    We also supply a range of sampling bags in other materials. You can view our full collection of bags here.

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  • Sold Out
    Quartz in Basalt (Scotland) £1.15 – £5.54 ex VAT

    Specimens of clear quartz crystal beds within basalt from Barras, Kincardineshire, Scotland. Pieces are supplied in a card tray with an information label. These are ideal samples for collectors of British minerals and rocks.

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    Out of stock

  • Rapakivi Granite
    Rapakivi Granite – Finland £2.00 – £7.00 ex VAT

    Specimens of Rapakivi Granite sourced from South Finland, which have undergone cutting and polishing. This particular rock belongs to the Granite family, and shares the typical characteristics of granite. Those being a coarse-grained, plutonic igneous rock, consisting of orthoclase feldspar, quartz, and biotite mica. Each piece comes packaged in a white card tray accompanied by an information label.

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  • Sold Out
    Sphalerite (Leadhills) £2.07 – £4.03 ex VAT

    Sphalerite mineral specimens from Leadhills, South Lanarkshire, Scotland, UK. Samples are of the massive form of the zinc sulphide mineral and depicts a dull yet metallic lustre and colouration. The samples are dense and excellent for British mineral collectors.The pieces are supplied in a white card tray with an information label.

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    Out of stock

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