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…also Gems of Agats and Emeralds. Quarries of Porphyre, and Serpentine. It yieldeth also great store of the richest Silks, which grow plentifully about Missinga, the chief City. Variety of most excellent and delicious fruits, both for taste and colour; with such abundance of all sorts of Grain, that it was called in old times, Horreum Romani Populi, or the…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/volcanoes/chapter6.php