Natural Pyrite Necklace. Over 500 gemstones. The faceted gems are 4mm in size. Three strands, wear straight or twist as a necklace or wrap bracelet. The necklace length is 21-22". Bracelet wrap size is 6.5 to 7.5". Adjustable toggle clasp is 14k gold filled. Wear this alone, jumbled with other necklaces or bracelets. Very versatile "go to" necklace. Shipping is Free!