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Geology Superstore
Geology Superstore

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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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    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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    Augite Granophyre

    Augite granophyre igneous rock specimens from Carrockfell, Keswick in Cumbria, UK. Excellent pieces exhibiting a medium grain size of crystals which constitute this rock including, augite, quartz and feldspars and shows a granophyric texture. Suitable for avid collectors and higher educational use, the samples come supplied in a sized card tray with an information label.

    89 in stock

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    Dolomite Rhombs (Ankerite) £2.07 – £5.75 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Specimens of massive grey dolomite with a somewhat rhombic form, most likely a form of ankerite from Aust-Agder, Norway. Specimens are supplied in a white card tray with an information label, an interesting variation of dolomite and a must have for any mineral collection. Please note that some specimens may contain small amounts of actinolite and therefore all care must be taken to avoid breaking or disturbing the actinolite.

  • Sold Out
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    Fluorite Octahedron – Illinois

    Fluorite octahedron crystals from southern Illinois, USA. These mineral specimens are around 7 – 15 mm in size and available in three colours, clear, blue or purple and all are translucent, allowing some light through, giving them a gem quality colour and appearance. These octahedron crystals, while genuine fluorite have been cleaved into these shapes, a practice which has been practiced from some 200 years and still continues to this day with fluorite crystals from China. Due to the small size, these samples will come supplied in a x4 magnifier box.

    Out of stock

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

    Gabbro igneous rock specimens from Balmedie quarry, Aberdeen, Scotland which exhibit a coars grained texture from the crystals. Formed as a mafic pluton intrusion, the samples contain pyroxenes such as augite along side plagioclase feldspar, amphibole and olivine crystals. They are derived from a body known as the Belhelvie basic intrusion which the parent unit being the Caledonian Supersuite. Samples exhibit a grey colouration and density and are suitable for the more serious or professional collector or higher educational use to differentiate similar looking igneous rocks with different compositions and origins. Available in three sizes, the specimens come supplied in a card tray with an information label.

    50 in stock

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    Garnets in Biotite £2.07 – £5.54 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Specimens of almandine garnets within a matrix of biotite mica from Agder, Norway. Specimens are available in multiple sizes and come supplied in a white card tray with an information label.

  • Sold Out
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    Nepheline Syenite £2.07 – £5.75 ex VAT
    Specimen Size
    2" x 2"3" x 2"4" x 3"

    Specimens of nepheline syenite sourced from the Larvik municipality, Norway. These samples have a reddish brown to pale grey colouration and display crystals of aegirine. Specimens are available in multiple sizes and come supplied in a card tray with an information label.

    Out of 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

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