Gabbro from Huntly, Scotland rock thin section Coaster (C43) £4.00 Quantity: at £4.00 each Add To Basket A thin rock section of Gabbro was viewed by polarised light microscopy. Gabbro is an igneous rock and shows olivine and orthopyroxene in feldspar. Plutonic (crystallised slowly at depth) From Huntly in Aberdeenshire. 90mm square coasters printed by dye sublimation to give a vibrant, high gloss, scratch resistant finish. Supplied with a description on the back of the coaster. Free UK delivery on orders over £10 (£1 delivery charge for orders below £10). Delivery charges for overseas orders are calculated in the shopping basket. Please note these coasters are printed to order so will be despatched within 4 working days of order being received.