Richly coloured deep purple crystals of Fluorite from the Trevanaunce Mine, St. Agnes. Crystals of Fluorite measure to 0.9cm display a well known tetrahexagonal crystal habit, with stepped growth on the faces. The specimen has a number of Fluorite crystals in clusters on a light grey green Chlorite, with scattered crystals of Chalcopyrite to 1-2mm. The matrix is a milky vein Quartz shot through with veins of Chlorite. A classic specimen from the Trevaunance Mine.