Niobium is a ductile crystalline rare transition metal. It has similar properties to Tantalum. Here you can buy an amazing 1 gram buffalo ingot. All our 1 gram ingot cards have all the element info on the back
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