Natural Magnesite Beads Strands, Top Drilled Beads, Dyed, Teardrop, Green YellowSize: about 31mm long, 10mm wide, 4.5~5mm thick, hole: 1mm, about 5pcs/strand, 3.9 inch (10cm).â This stone is from xinjiang, it is known in the trade as Turquoise because of its blue-green hues(dyed treated), similar to turquoise in appearance. It is actually Howlite.