The large stone is from the Royston Turquoise Mine in Nevada and was mined by Sean Thompson. The smaller stone is from the Kingman, Az turquoise mine. The Royston stone is24.01ct and measures 25.8mm x 17.4mm x 7.5mm. The stones are set in a lost wax mold and is in sterling silver. The pendant weighs 20.07g total and measures 47.2mm x 20.9mm x 9.1mm.