Jet is a form of fossilized wood similar to coal, but harder. Jet is dark brown or black in color, and can have Pyrite inclusions.  Jet as a gemstone was fashionable during the reign of Queen Victoria, during which the Queen wore Whitby (North Yorkshire, England) Jett as part of her mourning dress. Jet was associated with mourning jewelry in the 19th century because of its sombre colour and modest appearance, and it has been traditionally fashioned into rosaries for monks. In the United States, long necklaces of Jet beads were very popular during the 1920s. Sometime Jet is referred to as “black Amber,” although it actually has no relation to Amber, but similarly produces a pleasant electrostatic charge when rubbed. Historically, and even in modern stone lore, Jet is a powerful protective stone, that wards off all types of evil and absorbs negative energy, keeping the wearer safe.