One of the mysteries of the English language finally explained.
A form of mica resembling zinnwaldite but containing more lithium and less iron.
Late 19th century; earliest use found in Edward Dana (1849–1935), mineralogist and physicist. After German Protolithionit; so called because it was regarded as the oldest form of lithium-containing mica.
In this article we explore how to impress employers with a spot-on CV.