- A mineral, called also sphalerite, and by miners mock lead,
false galena, and black-jack. It is a zinc sulphide, but often contains
some iron. Its color is usually yellow, brown, or black, and its luster
resinous. - A general term for some minerals, chiefly metallic
sulphides which have a somewhat brilliant but nonmetallic luster.
Blended family Blended family (also called “step family”) is a family consisting of two adults, both with children from previous relationships, plus their children.
Blended workforce Blended Workforce is a workforce that is comprised of permanent full-time, part-time, temporary employees and independent contractors. A firm's workforce