925 Sterling Turquoise Moonstone Amethyst Necklace

925 Sterling silver chain necklace with amethyst and moonstone beads and featuring a turquoise heart pendant Chain measures 16”, lobster claw clasp Acid tested and is sterling silver Tested beads and are amethyst, moonstone, and turquoise. These showed to be genuine. Tested Turquoise heart and it does not show to be genuine