Light greenish blue to pale blue-white minutely knobbly Turquoise with a drusy surface, with white fibrous Wavellite from the Gunheath CC Pit, Stenalees, Cornwall. The Turquoise covers an area to 7cm x 5cm x 2.5cm. Cavities on the specimen are lined with micro-bladed crystals of white to colourless crystals of Wavellite and also forming a alternating layered structure around crystal of prismatic Quartz with the Turquoise on a white Kaolinite and Quartz matrix. And comes with a Sir Arthur Russell label.