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Geology Superstore
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    Accretionary Lapilli Tuff

    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.

    69 in stock

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    Agate in Basalt (Scotland) £2.88 ex VAT
    Specimen Size
    2" x 2"

    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.

    2 in stock

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    Agglomerate £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"

    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.

    84 in stock

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    Amygdaloidal Basalt

    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.

    73 in stock

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    Andesite

    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.

    53 in stock

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    Augite Andesite £1.38 – £3.46 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    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.

    100 in stock

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    Baryte (Scotland) £2.07 – £3.45 ex VAT
    Specimen Size
    1.5 " x 1.5"2" x 2"3" x 2"

    Baryte specimens from Silver Glen, Alva, Clackmannanshire, Scotland. These particular specimens are pale pink – red in colour, showing slight tabular habit. Supplied in multiple sizes, with a white card tray and an information label.

    Out of stock

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    Baryte Tabular Crystal Beds (Cumbria) £2.07 – £10.93 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"3" x 3"4" x 3"5" x 3.5"

    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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    Chalcedony (France) £3.45 – £24.15 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"3" x 3"4" x 3"5" x 3.5"

    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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    Fluorite – Fallgate Quarry £1.15 – £11.50 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"3" x 3"4" x 3"5" x 3.5"

    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) £2.07 – £4.03 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"3" x 3"

    Specimens of galena in matrix from Leadhills, South Lanarkshire, Scotland,UK. 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
    Specimen Size
    1.5" Mag Box1.5" x 1.5"1" Mag Box2" x 2"3" x 2"3" x 3"

    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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    Lepidolite in Quartz (Scotland) £2.07 – £2.88 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"

    Specimens of milky quartz containing small amounts of lepidolite mica from Glen Gairn, Strathdon, Aberdeenshire, Scotland. These samples of quartz contain a pale lilac lepidolite mica which has a massive form. These pieces, ideal for British mineral collectors, are supplied in a white card tray with an information label.

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    Pink Agate (India) £1.15 – £5.54 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"4" x 3"

    Specimens of pink agate from India. These particular specimens of agate have an attractive pale pink colouration with small amounts of brown agate present. Some specimens may also contain cavities filled with pale pink to white quartz crystals. Pieces 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.

    1 in stock

  • Sold Out
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    Quartz in Basalt (Scotland) £1.15 – £5.54 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"4" x 3"

    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.

    Out of stock

  • Sold Out
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    Sphalerite (Leadhills) £2.07 – £4.03 ex VAT
    Specimen Size
    1.5" x 1.5"2" x 2"3" x 2"3" x 3"

    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.

    Out of stock

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