99.99% pure Manganese Metal. Quantity is 30 grams. 99.99% - industrial grade purity. The metal is in the form of electrolytic flakes. The pieces generally range from 3-12 mm.

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99.99% pure Manganese Metal. Quantity is 30 grams. 99.99% - industrial grade purity. The metal is in the form of electrolytic flakes. The pieces generally range from 3-12 mm.

The pieces show a range of surfaces textures and oxidations. The nodular properties can be seen on many of the pieces. Others offer flat surfaces with a range colors and some pieces seen edge on show at the shiny, un-oxidized metal.

Manganese is atomic element No. 25 on the periodic table of elements.

Manganese is a gray-white metal, resembling iron. It is a hard metal and is very brittle, fusible with difficulty, but easily oxidized. Manganese is essential to iron and steel production by virtue of its sulfur-fixing, deoxidizing, and alloying properties. Steelmaking, including its ironmaking component, has accounted for most U.S. manganese demand, presently in the range of 85% to 90% of the total demand. Among a variety of other uses, manganese is a key component of low-cost stainless steel formulations and certain widely used aluminum alloys. Manganese oxide is used in the original type of dry cell battery.

Manganese was in use in prehistoric times. Paints pigmented with manganese dioxide can be traced back 17,000 years. The Egyptians and Romans used manganese compounds in glass-making, to either remove color from glass or add color to it. Manganese can be found in the iron ores used by the Spartans. Some speculate that the exceptional hardness of Spartan steels derives from the inadvertent production of an iron-manganese alloy.