Vapor is track #8 on the album Sounds Good Feels Good.
Increases physical strength. Soothes and calms emotional stress. Opens the 3rd eye to the divine. Very visual and creative. I must admit that I have never heard of black amethyst so if im not mistaken in my thinking, it is the same thing as amethyst but appear black because of the dark coloring in it.
Amethyst, the birthstone of February, is a variety of Quartz that carries a spectacular purple color that ranges from a blend of deep violet and red to a lighter lilac hue.