Total wt: 12 grams of which ~4 is sterling silver. Pendant: 3 1/2" X 1 1/2". Thick 14 gauge copper was carefully cut, hand hammered, filed and joined with sterling silver accents. The Made in USA sterling silver fancy long short chain is 3mm wide was cut to measure, then the hand wrought decorative side hook closure was stamped sterling. The chain could be recut at mid back and a sturdy pre-made sterling spring ring closure can be added.