Moonstone Goddess Pendant by St Justin of Penzance Pewter Pendant £16.50 New stock arriving soon. Goddess pendant rainbow moonstone. A polished pewter pendant with a rainbow moonstone cabochon on a silver-plated belcher chain. Width: 11mm Height: 48mm | Chain length: 18 inch (45cm) Supplied in a satin and velvet-lined gift box. The venerable alloy of pewter is made of 92% tin, with copper and antimony to harden it and enhance casting. All of our St Justin Pewter products are LEAD FREE.