Gallium

Gallium is a rare, soft, silvery-white metal that is found in small quantities in the Earth's crust. It is unique in that it has a low melting point of only 29.76°C (85.57°F), which allows it to melt in your hand. Gallium is also notable for its ability to wet glass and other surfaces, making it useful in a variety of applications.

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One of the main uses of gallium is in the production of semiconductors, where it is used to make transistors and other electronic components. It is also used in the manufacture of LEDs (light-emitting diodes) and solar cells. Gallium is also used in some medical applications, such as in the treatment of certain types of cancer. Due to its unique properties, gallium is a valuable commodity in a variety of industries.