A classic specimen of Wheal Unity Mimetite. Light brown lustrous crystals measuring to 0.8cm mostly cover the display face and one side of the specimen. Crystals of Mimetite have the characteristic light to mid-brown colour. Sparsely scattered amongst the crystals of Mimetite can be seen rare micro-crystal of lustrous white pseudo-octahedral Phillipsbornite. Crystals of Mimetite have formed on a white vein Quartz veined by light green Chlorite.