Magic Metal DMT Molecule Necklace Black Dimethyltryptamine Structure Pendant NY01 Fashion Jewelry Ships from the USA DMT Molecular Structure Necklace. Pendant Length: 2 inches to 3/4 inch. Length of Chain, Open from Clasp to End: 20 inches Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!