The specimen from Cornwall's celebrated Wheal Gorland, St.Day, displays particularly deep green cubic crystals of Pharmacosiderite. Inter-grown lustrous crystals of Pharmacosiderite are seen to line many cavities in a Goethite/Quartz Gossan, measuring to 4.5 x 2cm. Associated with the Pharmacosiderite are crystallized spheroids measuring to 2mm+ and druses of blue-grey Scorodite . A fine specimen of characteristic Pharmacosiderite and Scorodite from the mine.