Tezontle

Tezontle (Spanish: tezontle) is a porous, highly oxidized, volcanic rock used extensively in construction in Mexico. It is usually reddish in color due to iron oxide.[1] Tezontle is a well-cemented, agglomeritic and scoriaceous rock.[2]

One of the Houses of the Mayorazgo de Guerrero showing tezontle walls with cantera accents.

Uses

Construction

Tezontle can be mixed with concrete to form lightweight concrete blocks,[3] or mixed with cement to create stucco finishes.[1] Many colonial buildings in Mexico use the reddish cut tezontle on their facades.

Tezontle is a common construction material in the Historic Center of Mexico City as the relatively light-weight stone helps impede a building from sinking into the unstable lake bed on which Mexico City was built.

Other uses

Non-building uses include it's inclusion in flower arrangements and botanical gardens, as substrate for aquariums, and for temazcales and ovens.[4]

Tezontle is often used as the top layer of gravel on unpaved roads in Mexico.

Facades

Many buildings use tezontle to create an aesthetic facade. Here are some examples.

References
  1. "Tezontle" (in Spanish). Retrieved 2009-01-04.
  2. Segerstrom, K. (1962) Geology of South-central Hidalgo and Northeastern Mexico, USGS Bulletin 1104-C, page 124.
  3. Acevedo-Davila, J.; Torres-Trevino, L.M.; Gomez z, Lauren Y. (September 2007). "Tezontle aggregate substitute optimization in building blocks mixture.". Electronics, Robotics and Automotive Mechanics Conference (CERMA 2007). IEEE. pp. 307–311. doi:10.1109/CERMA.2007.4367704. ISBN 978-0-7695-2974-5.
  4. Ramirez, Moni. "Tezontle: Uno de los materiales para la construcción favoritos en la Conquista". Rubicón México. Retrieved 25 November 2020.


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