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Galena

The state mineral became Galena at the same time red granite became the state rock, thanks to the proposal put fourth by the Kenosha Gem and Mineral Society in 1971. They wanted to promote awareness of Wisconsin's geology. Galena was selected because of its abundance, uniqueness, economic value, historical significance, and because it is native to our state. Galena is the most important mineral source of lead. It grows in cubes or square crystals and is dark gray.