Cahíz

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Cahíz is a historical Moorish unit of measurement. The term Cahíz has been used since the Middle Ages to indicate the weight of rock containing gypsum that was quarried in the quarries in Spain.

One cahíz corresponded to a block with a mass of 690 kilograms of the mined gypsum rock , and it corresponded to the amount that a processing company could crush and process in kilns (hornos morunos) at that time as a daily output. In the region around Madrid, numerous Moorish kilns for gypsum production were discovered during excavations. Records from Felipe II from around 1580 attest to the term Cahíz.

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  • Cahíz, on todacultura.com
  • Hornos morunos de yeso de la Comunidad de Madrid. In: Simposio sobre Patrimonio Geológico y Minero. IV Sesión Científica de la Sociedad Española para la Defensa del Patrimonio Geológico y Minero, 1999, Bélmez.