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One word pinned here

El Paso County

38.8400°N -104.5200°W · Q111774

One English word in this atlas traces back to El Paso County. It sits in United States.

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Pinned here
elpasolitenoun · 1883
Well attested

A mineral almost nobody collects gave its name to a whole family of synthetic crystals used to catch neutrons.

W. Cross and W. F. Hillebrand described elpasolite in 1883 from riebeckite pegmatites at St. Peter's Dome in El Paso County, Colorado. Crystallographers later adopted the elpasolite structure type as a standard label. Synthetic elpasolites such as Cs2LiYCl6 are now grown as scintillator crystals for radiation detectors that distinguish gamma rays from neutrons.

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