Natural Yellow Turquoise(Jasper) Beads Strands, RoundSize: about 8~8.5mm diameter, hole: 1mm; about 47pcs/strand, 15.5 inch.â Yellow Turquoise is a jasper stone that has similar properties to turquoise. This stone is called Yellow Turquoise as it occurs in the similar mines as the turquoise and has the similar matrix patterns.