This is a beautiful octahedral fluorite crystal cluster with sparkling calcite this is from China. These crystals are highly fluorescent, exhibiting a vibrant purple fluorescence under both long wave and short wave. NOTE: some crystals minerals specimens are prone to flaking some materials are softer then others. please note that it is normal to see small particles in various materials due to packing shipping opening im an expert at packing and take all the steps to prepare and package well.