Jet is a type of coal, the product of driftwood that eventually gets waterlogged, sinks to the sea floor, is slowly buried in mud, and hardens over millions of years. Unlike coal that’s used for fuel, jet forms in salt water rather than on land. Though closely associated with the mourning jewelry of the Victorian Era, jet has been used in all sorts of jewelry for perhaps 10,000 years. According to Hayden Peters, the ancient remains of jet...Continue Reading