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Cornelian 7Carnelian beads (other variants of the name include Cornelian beads, sadoine, Mecca stone, and pigeon’s blood agate) are a gemstone jewelry made of carnelian quartz. The mineral is found worldwide, with India reputed for the best gemstones. Beads are made by heating and shaping agate several times, resulting in a change of color. Collections of beads have been found stored in pots dating to circa 1800 B.C. |