Clausthalite is a rare type of mineral that contains lead selenide, PbSe and it's usually grayish in colour. This mineral is solid in form and is used in the manufacture of infrared detectors, which are used for thermal imaging and they operate at wavelengths.
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what is the definition of clausthalite
a rare mineral, lead selenide, PbSe, occurring in grayish, granular crystals that have a metallic luster.
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