Carnelian is a color named after the carnelian variety of the mineral chalcedony. Ancient Sumerians created necklaces and beads from gold, silver, lapis lazuli and carnelian. These included gold, silver, lapis lazuli and carnelian. Sumerian stonemasons and jewelers used gold, silver, lapis lazuli, chlorite, ivory, iron, and carnelian. The most popular stones used were lapis lazuli, carnelian, and turquoise. Semiprecious stones such as carnelian and amethyst may be used, as well. Semi-precious stones like carnelian and amethyst are also used. Other members of the cryptocrystalline silica family include agate, carnelian, and onyx. Some of the most valuable things traded were carnelian and lapis lazuli. Artifacts uncovered included shell beads, obsidian beads and carnelian beads. The collection includes beads made of carnelian stone, a ring and earrings. Beads and bracelets made of fayence and carnelian and tools made of copper were excavated. Eight other graves contained grave goods, including beads made of shell, carnelian and obsidian. Long, slender carnelian beads were highly prized by the Harappans. Similar to carnelian is sard, which is brown rather than red.