Silver Boulder Opal Necklace SOLD Silver boulder opal necklace, a natural purple-ish/blue/white Australian boulder opal set in silver free-form frame. Very unique design. Size: Pendant H40mm x W22mm Silver Chain is 49cm long. Total Weight: 22.9 grams Categories: Necklace, Opal Tags: necklacr, opal Related products SOLDLoose Queensland boulder opal SOLD Read more Rose/Yellow Gold Vintage Necklace $990.00 Add to cart SOLDAntique Sterling Silver Fob chain ( c. 1896 ) SOLD Read more SOLD14ct Yellow Gold Flat Snake Choker SOLD Read more