WORLD CIVILIZATION

Detailed explanation-1: -Etched carnelian beads, or sometimes bleached carnelian beads, are a type of ancient decorative beads made from carnelian with an etched design in white, which were probably manufactured by the Indus Valley civilization during the 3rd millennium BCE.

Detailed explanation-2: -Women of the Indus Valley liked to wear ornate necklaces, bangles, and earrings. This jewelry was made from gold, silver, shells, and stones such as carnelian, a red-colored quartz.

Detailed explanation-3: -The bow drill was used to drill holes into carnelian in Mehrgarh in the 4th-5th millennium BC. Carnelian was recovered from Bronze Age Minoan layers at Knossos on Crete in a form that demonstrated its use in decorative arts; this use dates to approximately 1800 BC.

Detailed explanation-4: -These beads are made from carnelian, a variety of quartz. The white designs on their surface gave them the common name of etched carnelian beads. Etched carnelian beads were first produced in the Indus Valley around the middle of the third millennium BC.