1.15ct bright top green Sphene with rainbow sparks

This is such a great gemstone. It has a vibrant green hue that shifts into golden accents in different lighting, and has rainbow flashing that displays glittering golds accented with reds and greens. It measures 9.3mm x 3.5mm x 3mm, and is covered with a diamond grade superior luster. Unheated. Sourced from Russia. Very clean!