6.25 carats tourmalines Dimension:8*7*6mm to 9*8*6mm Shipping worldwide Origin Afghanistan No treatment Natural
Tourmaline is a mineral group composed of several different gemstone varieties, each with its own unique colors and properties. It’s known for its wide range of colors, including black, pink, green, and blue. Tourmaline is often used in jewelry and has unique piezoelectric and pyroelectric properties, making it valuable in various industrial applications as well.
