The researchers manipulated a steel gray mineral called manganite, used to build magnetic hard discs in computers.
Washington Times(Sep 02, 2015)
Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc.
Project Gutenberg, The Gutenberg Webster's Unabridged...(2010)
They created holes, or antidots, in thin films of manganite.
Washington Times(Sep 02, 2015)