Original sentence: 415) The type of crystal was determined by examination of chlorite inclusions, and is only to be found in Madagascar and Brazil, and thus unobtainable or unknown within pre-Columbian Mesoamerica.<ref>Craddock (2009, p
Edited sentence: The type of crystal was determined by examination of chlorite inclusions, and is only to be found in Madagascar and Brazil, and thus unobtainable or unknown within pre-Columbian Mesoamerica