Nephrite is a type of jade, a mineral known for its toughness and beauty. It is primarily composed of the mineral actinolite and is often found in shades of green, though it can also appear in white, yellow, or black. Nephrite has been used for thousands of years in various cultures, particularly in Chinese art and jewelry. This gemstone is valued for its durability, making it suitable for carving intricate designs and functional items. Nephrite is often associated with spiritual significance and is believed to bring good luck and protection to its wearer. Its unique properties make it a popular choice for collectors and artisans alike.