This intarsia style cabochon is made with composite Turquoise and Pink Mother of Pearl with copper and is backed with Black Jade. This product is composite (TrueStone)* which means they use ground up turquoise (color enhanced), then they add binding agents and compress it into a block. This is manufactured by RT Research in Tempe, Arizona. Lapidary by Phil, he took these pieces of composite materials, put copper between them and backed with Jade.
Flat polished beveled back