Citrine has long been called the "Merchants Stone" as a piece of it placed in your purse or near your cash box will help to generate income. Stimulates mental focus and endurance. Dispels fear. Helps one to "feel sunny" all the time. Encourages smiles and laughter. Helps with problem solving. Dispels anger. It also positively affects business relationships, educational pursuits and personal relationships. A good stone to aid study.