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Tequesquite or tequexquite (from
Chemically it is an
It is classified into four types: mousse, confitillo, husk and dust. The first two, which are the best, are obtained from the recession of water, and the latter two as natural efflorescence. The latter contain more dirt, so the other two are preferred.[
In industry it is also used with fats - saponified to make soap and prepare canvases.[
Some locations in Mexico where it is mined are Lake Texcoco,
Sometimes it is confused with nitro tequesquite salt, but its chemical composition is completely different.[
At the time of the Aztecs, was obtained from Lake Texcoco, especially in the dry season. This lake is salt water, and when the water level of the lake fell or retreated, the water evaporates remained as sediment in some wells tequesquite salt. It is also found as efflorescent natural formation, leaving the soil by capillarity. Another place where salt was abundant population of Iztapalapa, which also traded salt. It should be noted that for the Aztecs, salt was a luxury, so the lower classes could not afford it easily.