Este ensayo reseña los siguientes trabajos: The Matter of Empire: Metaphysics and Mining in Colonial Peru. By Orlando Bentancor. Pittsburgh: University of Pittsburgh Press, 2017. Pp. ix + 416. $55.00 hardcover. ISBN: 9780822944607.   Mining Language: Racial Thinking, Indigenous Knowledge, and Colonial Metallurgy in the Early Modern Iberian World. By Allison Margaret Bigelow. Chapel Hill: Omohundro Institute of Early American History and Culture and University of North Carolina Press, 2020. Pp. xvi + 376. $39.95 hardcover. ISBN: 9781469654386.   Living in Silverado: Secret Jews in the Silver Mining Towns of Colonial Mexico. By David M. Gitlitz. Albuquerque: University of New Mexico Press, 2019. Pp. xii + 432. $65.00 hardcover. ISBN: 9780826360793.   Potosí: The Silver City That Changed the World. By Kris Lane. Berkeley: University of California Press, 2019. Pp. ix + 272. $32.95 hardcover. ISBN: 9780520280847.   Urban Indians in a Silver City: Zacatecas, México, 1546–1810. By Dana Velasco Murillo. Stanford, CA: Stanford University Press, 2016. Pp. ix + 308. $65.00 hardcover. ISBN: 9780804796118.   Spectacular Wealth: The Festivals of Colonial South American Mining Towns. By Lisa Voigt. Austin: University of Texas Press, 2016. Pp. ix + 235. $29.95 paperback. ISBN: 9781477310977.