palygorskite in a sentence

Examples

1. "' Palygorskite "'or "'attapulgite "'is a magnesium aluminium H 2 O ) that occurs in a type of clay soil common to the Southeastern United States.
2. The chemical composition of the compound was determined by powder diffraction in the 1950s and was found to be a composite of palygorskite and indigo, most likely derived from the leaves of the " a�il ".
3. The blue coloration seen on Maya and Aztec codices, and early colonial-era manuscripts and maps, is largely produced by the organic-inorganic mixture of " a�il " leaves and palygorskite, with smaller amounts of other mineral additives.
4. A reminder of the extraordinary span of Beer's geological career is the story of the specimen from a Devonshire cave that he sent to London for identification, and which evoked a response more than 70 years later that he had indeed identified it correctly as palygorskite.