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Sphalerite can contain three elements used in mobile phones: zinc (Zn), used in mobile phone circuitboards, indium (In), used in touchscreen glass, and gallium (Ga), used in chips and microprocessors.

Sphalerite

Periodic table showing zinc, gallium and indium

This sample of sphalerite can be found on Level 5 of the Window on the World in the National Museum of Scotland.

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