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  • 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.

    We also supply Andesite thin sections for microscope study which are available to buy HERE.

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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.

    We also supply Augite Andesite thin sections for microscope study which are available to buy HERE.

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    84 in stock

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    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

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