Our high purity manganese flake is mined in South Africa and is sold by the pound. This manganese flake is as pure as you can find anywhere at 99.86% pure manganese. This manganese is also Selenium free, unlike the Chinese manganese you might find elsewhere. Be sure to see our bulk discounts for certain quantity levels if you would like to save money per pound. If you are interested in making a very large order, please contact us directly for pricing and availability. * Please Note: All metal shipments come with a certificate of analysis. Atomic Number = 25 | Melting Point (F) = 2275 | Atomic Mass= 118.71 | Boiling Point (F) = 3742 | Density (g/cm3) = 7.4 |