Translucent to near gemmy lustrous 'nail head' crystals of Calcite measuring to 0.9cm, richly cover well formed inter-grown cubic crystals of Fluorite measuring to 4.5cm. The crystals of Fluorite have a light yellow-green colour, and are gemmy to translucent. Light brassy crystal clusters of Pyrite have formed on the Fluorite crystals. Here and there are scattered discreet white lustrous crystals of Quartz. A great specimen from this well known Cornish Lead Mine.