Well formed, lustrous, cubic and super gemmy crystals of fluorite from Bluebirds Pocket in world famous locality - Rogerly Mine. Lustrous fluorite cubes are well colored - dark emerald green in colour with a strong blue daylight fluorescence, and an even strong fluorescence under long wave UV light. This amazing fluorite crystals change color in different lights - in natural light they are blue, in artificial light they are green. Great colors. Top quality. No damage.