Here we have a grouping of vibrant green fluorite cubes exhibiting good luster and several penetration twins. The overall dimensions of the piece are 15 cm wide by 12 cm tall by 6 cm front to back. The cubes have the identifiable photosensitive green cube to blue cornered cubes in the sunlight or ultraviolet. This piece is intense green color under tungsten lights. The locality is the Rogerley Mine, County Durham, England. Contacts are present at the perimeter of the base of the specimen.