Rotometals Kilo (2.2 pounds) Bismuth Metal 99.99% Premium Grade Great for Crystal Making Description Features: Bismuth Chunk (2.2 pounds | 99.99+% Pure) Our Bismuth Chunk is 100% virgin metal (not recycled). We sell this metal in 2.2lb pound (kilo) increments, so if you need 6.6 lbs (3 kilos), you would need to add a quantity of 3 to your cart. USAGE - This bistmuth is of the highest purity that can be used in any application that calls for bismuth. This is a popular metal because the number of ways it can be used and its ease of use. Pure bismuth is also what you would use to make crystals. SIZE/SHAPE - Each piece of bismuth chunk or ingot will be slightly different in size and shape. Generally, its about 2 inches by 3 inches but due to it's structure it's not rectangular shaped. BISMUTH SPECIFICATIONS - Atomic Number = 50 | Melting Point (F) = 450 | Atomic Mass= 118.71 | Boiling Point (F) = 4100 | Density (g/cm3) = 7.29 | Analysis: BISMUTH 99.99% PACKAGING - The bismuth chunk will arrive sealed inside of heavy duty BPA free plastic to prevent any corrosion or oxidation. Product Details: Is Discontinued By Manufacturer ‏ : ‎ No Package Dimensions ‏ : ‎ 4.72 x 4.33 x 3.39 inches; 2.25 Pounds Item model number ‏ : ‎ kilo2.2 Date First Available ‏ : ‎ October 17, 2015 Manufacturer ‏ : ‎ RotoMetals Best Sellers Rank: #33,033 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #17 in Specialty Metal Raw Materials #17 in Specialty Metal Raw Materials Customer Reviews: 4.7 4.7 out of 5 stars 340 ratings