Osmium is the rarest stable element on the planet as well as the most dense. Here we offer you pure osmium crystals in your choice of quarter or tenth of a gram.
AUTHENTICITY
Each one of our Collectibles comes with the GRAINMINT Hologram Certificate of Authenticity
EXCLUSIVITY
Each one of our Collectibles is Exclusive to and hand packaged and shipped by GRAINMINT
LIMITED
Every one of our Collectibles is numbered with a limited number of each being produced