30” Gemstone necklace purple green

Necklace is in good condition and kept in a clean smoke free home. It was tested with presidium II gemstone tester and the purple and green came up in the quartz, amethyst, and citrine category. The white beads did not register at all and are just for the look. Larger green bead 1 1/8” X 5/8”, small green 11 mm, small white 5 mm round, small purple 8 mm round, large purple 11 mm round, 30”, clasp is a sprig clasp and looks like a silver tone that tarnished. #gemstonejewelry #gemstone