The cavities across the top and front of this quartz-fluorite matrix are largely lined with deep blue linaraite crystals and colourless gypsum. The linarite is the main mineral of interest and is composed of sharp prismatic to skeletal blue crystals. The gypsum crystals are poorly formed but gemmy crystals. The matrix is also interesting showing different colours of fluorite and containing partially altered crystals of galena. Interesting and beautiful!