pyriticaladj.
/pʌɪˈrɪtɪkl/, /pᵻˈrɪtᵻkl/, U.S. /paɪˈrɪdᵻk(ə)l/, /pəˈrɪdᵻk(ə)l/ Geology and Mining. Now rare.
= pyritic adj. 1.
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the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > pyrites
pyritical1734
pyritose1741
pyritous1741
pyritic1751
pyrity1757
pyritaceous1784
pyritiferous1828
the world > the earth > minerals > types of mineral > sulphides and related minerals > [adjective] > pyrites
pyritical1734
pyritose1741
pyritous1741
pyritic1751
pyritaceous1784
1734 T. Short Hist. Mineral Waters Pref. p. ix Harrigate Alum Spring..has under it's Bason between the Clay and Moss, several Cart-Loads of pyritical Concretions.
1789 J. Williams Nat. Hist. Mineral Kingdom I. 419 The pyritical or marcasitical yellow copper ores.
1818 W. Phillips Geol. 35 A striped loam and plastic clay, containing a few pyritical casts of shells.
1867 V. G. Bloede Reducer's Man. 130 The auriferous ores..are chiefly pyritical.
1932 Jrnl. Anthropol. Inst. 62 155 The slag-heaps at Nikisian, which contain hundreds..of tons of slag derived from pyritical ores worked for gold.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adj.1734