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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/CLP/9i/27" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, 'Lettre d'un curieux a son amy, touchant les admirables proprietes de la pierre du Mexique' [Letter from a curious person to his friend, concerning admirable attributes of Mexican stone] from I M to unknown recipient</dc:title>
  <dc:description>Letter from IM describing a new rock found in Mexico with a carved indentation similar to a mortar. IM describes experiments performed upon the rock, including allowing various liquids and solutions to filter through it and examining their properties afterward.

Subject: Geology / Mineralogy

Read to the Royal Society on 4 May 1671</dc:description>
  <dc:date>[1671]</dc:date>
</rdf:Description>