Geology Superstore

Gneiss – Norway

£2.25£6.00 ex VAT

Gneiss from Evje, Norway, containing more feldspar and quartz than Lewisian gneiss from Scotland, giving it a pink colour, these specimens show excellent banding and text book crystal structure, supplied in 3 sizes, ideal for educational use.

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

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  •  Delivery & Return

    Delivery

    We ship to all 50 states, Washington DC.
    All orders are shipped with a UPS tracking number.
    Always free shipping for orders over US $200.
    During sale periods and promotions the delivery time may be longer than normal.

    Return

    Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.

    Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
    Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.

    Help

    Give us a shout if you have any other questions and/or concerns.
    Email: contact@mydomain.com
    Phone: +1 (23) 456 789

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Gneiss is a metamorphic rock often formed from high grade regional metamorphism, usually from pre-existing rock (known as the country rock). As the metamorphic processes are high grade, the original rock could have either been sedimentary or igneous. One of the most identifiable features of gneiss are its alternating dark and light foliations, known as banding, which are known as gneissic banding and composed of various dark and light coloured minerals. The dark bands are often comprised of mafic minerals such as pyroxenes where as the lighter coloured bands are felsic in chemical composition, often comprised of potassium, aluminium or silicate minerals. these specimens of gneiss differ in colour from our stock from Scotland (Lewisian gneiss) due to the fact that they contain more feldspar and quartz minerals and less of the dark mafic minerals such as pyroxene and thus are sometimes known as migmatitic gneisses. This gives them an overall pink colouration, but excellent banding detail can still be seen, making them perfect for use in sets, collections or for teaching and study use. This gneiss was collected by staff and comes from Evje, Norway, is available in 3 sizes and will come supplied in a card tray with an information label.

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

Weight 130 g
Specimen Size

2" x 2", 3" x 2", 4" x 3"

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