Group of transparent crystals of Fluorite with glossy colors and partially coated by a thin layer of white Aragonite. Lots of penetration twins on this fine specimen. The Fluorite cubes change their color in different lights, they show a blue color in natural light and a green one in artificial light. The sample has been photographed both in artificial light (green color) and in sunlight (blue color). Also very fluorescent under UV. Great Fluorite specimen with gemmy crystals in excellent condition. Watch video. Specimen size: 7 cm x 6.5 cm Watch the video below
Diana Maria mine, Rogerley Quarry, Frosterley, Durham, England, UK.