Onyx
Onyx is a type of chalcedony which occurs, usually, in the form of layers of a variety of colors. This mineral is an excellent stone for initiating the modes of centering and alignment of the total person with the higher powers. It can banish grief, enhance self control, stimulate the power of wise decision making and encourage happiness and good fortune. Onyx comes from Mexico and Pakistan and is very popular because of the beautiful variety of colors.