Investing in Barium
Barium does not occur naturally in its pure form, because of its reactivity. The most common barium mineral is barium sulfate, or barite. It has many uses including spark plugs, fluorescent lamp electrodes, glassmaking, rubber production, green fireworks, and others.
Solvay SA (OTC: SVYSY) is a Belgian chemical and pharmaceutical company that specializes in ultra-pure barium carbonate.
American Elements - http://www.americanelements.com/ba.htm - Barium acetate, barium bromide, barium bromide, barium carbonate, barium chloride, barium fluoride, barium hydroxide, barium nitrate, and barium sulfate.