Our Bismuth Chunk is sourced directly from the Chenzhou Bismuth Group where it is produced and is 100% virgin metal (not recycled). We sell this metal by the 2lb pound increment, so if you need 10lbs, simply add a quantity of 5 to your cart. Be sure to see our promotional discounts for certain quantity levels if you would like to save money per pound. Atomic Number = 83 | Melting Point (F) = 524 | Atomic Mass= 208.98 | Boiling Point (F) = 2642 | Density (g/cm3) = 9.80 |