bismuth chunk (2 pounds | 99.99+% pure) raw bismuth metal | great for crystal making by ms metalshipper ms metalshipper 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 |