Lepidolite, Na(AlSi3O8). Simplified formula, is a member of the mica family. This specimen is composed of radiating , prismatic, dark lavender crystals of Lepidolite, terminating in a strange mushroom top or cap. Also on the specimen are very fine crystals of albite. The beauty of this specimen is very hard to convey with a photograph, and can only be truly appreciated with close examination by eye. The location is Minas Gerais, Brazil.