Sascab is a naturally occurring mineral material described variously as "decomposed limestone

Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

", as "breccia

Breccia

Breccia is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix, that can be either similar to or different from the composition of the fragments....

", and as "the lime gravel mixture the Maya

Maya civilization

The Maya is a Mesoamerican civilization, noted for the only known fully developed written language of the pre-Columbian Americas, as well as for its art, architecture, and mathematical and astronomical systems. Initially established during the Pre-Classic period The Maya is a Mesoamerican...

 used as mortar." It has been used as a building and paving material in Mesoamerica

Mesoamerica

Mesoamerica is a region and culture area in the Americas, extending approximately from central Mexico to Belize, Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica, within which a number of pre-Columbian societies flourished before the Spanish colonization of the Americas in the 15th and...

 since antiquity. In the context of pottery

Pottery

Pottery is the material from which the potteryware is made, of which major types include earthenware, stoneware and porcelain. The place where such wares are made is also called a pottery . Pottery also refers to the art or craft of the potter or the manufacture of pottery...

 the term may also apply to mixtures (with clay and water) of a more finely divided form of the same material (described as "stone dust").

It was used by the ancient Maya in place of (or as a partial replacement for) lime (mineral)

Lime (mineral)

Lime is a general term for calcium-containing inorganic materials, in which carbonates, oxides and hydroxides predominate. Strictly speaking, lime is calcium oxide or calcium hydroxide. It is also the name for a single mineral of the CaO composition, occurring very rarely...

 in some applications, without needing to be "burned."

According to travel writer Jeanine Kitchel, the American explorer of the Yucatan

Yucatán

Yucatán officially Estado Libre y Soberano de Yucatán is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 106 municipalities and its capital city is Mérida....

, Edward Herbert Thompson

Edward Herbert Thompson

Edward Herbert Thompson was an American-born archaeologist and diplomat.-Biography:Edward H. Thompson was born in Worcester, Massachusetts. Initially inspired by the books of John Lloyd Stephens, Thompson devoted much of his career to study of the Maya civilization...

 found (ca.1900) "shallow quarries near Chichen Itza

Chichen Itza

Chichen Itza is a large pre-Columbian archaeological site built by the Maya civilization located in the northern center of the Yucatán Peninsula, in the Municipality of Tinúm, Yucatán state, present-day Mexico....

with worked veins of sascab..."