BXPY Sterling Silver Swiss and London Blue Topaz Butterfly Pendant Necklace, 18" ReviewbP PP XPY Sterling Silver Swiss and London Blue Topaz Butterfly Pendant Necklace, 18" PSterling silver necklace featuring butterfly pendant accented with Swiss and London blue topaz stonesPBox chain with spring-ring claspPThe natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture.