Shop Banana Republic's Triple Strand Gemstone Necklace by Aureus + Argent: NATURAL STONE COLLECTION: Endlessly captivating, natural semi-precious stones can display magical iridescence, extraordinary sparkle, and the unique ability to capture the entire spectrum of light and color. Celebrate these natural wonders with jewelry pieces designed to show off these special stones., Tiny faceted pyrite seed beads with pretty luster are strung on brass chain that makes for a striking pairing…