One of the mysteries of the English language finally explained.
A trigonal silicate and chloride of calcium and lead, Ca₄Pb₆(Si₂O₇)₃Cl₂, which forms prismatic crystals and occurs as white or grey granular masses.
Late 19th century. From the name of Frank Lewis Nason, U.S. geologist formerly with the Geological Survey of New Jersey + -ite.
In this article we explore how to impress employers with a spot-on CV.