Intaglios: Carved Gemstones of the Ancient World
Intaglios: Carved Gemstones of the Ancient World. The classical tradition of carving semi-precious gemstones was adopted from the ancient Near East although it was also used by the Indus Valley civilization as well. Flat ring types were developed from cylinder seals used to imprint documents in Mesopotamia, Assyria, and eventually the Minoan world including parts of Greece and Cyprus in the Bronze Age palace societies of Cret e and Mycenae. The design would be cut into the flat surface of a stone using a series of increasingly delicate abrasive powders from harder stones like emery (also known as corundite), a dark granular rock mined in ancient times on the Greek island of Naxos, in conjunction with a hand-drill, probably set in a lathe. Although magnifying lenses existed in the ancient world, scholars are in disagreement as to whether they were used for gem carving because of speculation about their quality and potential for distortion. Carved gems are often called "intaglio...