Everyday Uses of Rocks and Minerals - Shelf 4

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Sulfur is found as an element in nature, and is an integral part of gunpowder, which creates the explosive potential in fireworks and was once used in the propellent of bullets. Sulfur is also integral to matches, one of the most consistent ways to start a fire. Fires can also be started with flints and steel, illustrated here. Flint is a form of quartz that forms as nodules in limestones.