Natural Magnesite Round Bead Strands, Dyed & Heated, CyanSize: about 4mm in diameter, hole: 1mm; about 96~100pcs/strand, 15.55 inch.â This stone is from Xinjiang, it is known in the trade as Xinjiang Turquoise because of its blue-green hues(dyed treated), similar to turquoise in appearance. It is actually Magnesite.