Withamite from Glen Coe, Scotland rock thin section Coaster (C47) £4.00 Quantity: at £4.00 each Add To Basket A thin rock section of Withamite was viewed by polarised light microscopy. It shows Withamite crystals in a vein in andesite. Withamite is a manganese rich variety of epidote. From Glen Coe, Scotland, where it was discovered by a Mr. Witham. This is a very rare sample. 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.