Daylight Fluorescent Blue Green Color Change Cubic Fluorite with Quartz
These crystals are daylight fluorescent, meaning they will turn from a green color in indoor lighting to a blue/green under sunlight. They are also very fluorescent under UV lighting, glowing an electric blue.
From: Diana Maria mine, Frosterley, England
Size: 100 x 65 x 50 mm
Weight: 362 gr