Elegant Greenish-Black Tourmaline Gemstone with Smooth Surface on White Background

This elegant tourmaline gemstone features a striking greenish-black color and a smooth, polished surface. Set against a pure white background, the isolated stone is highly detailed and rendered in 16K resolution with transparent PNG formatting. Ideal for use in jewelry design, gemology education, or decorative purposes, this image offers clarity and precision for both creative and professional applications.