Sentence example with the word 'pyritous'

pyritous

Last update: July 30, 2015


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Pyritous shales have been largely used in the manufacture of alum, and are therefore known as "alum-shales."   [Please select]

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Fossil wood with _Teredo antenautæ_ is also met with, and pyritous casts of univalve and bivalve shells.   [Please select]

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pyrites - pyritous - pyrola