Things pyritiferous often describes (“pyritiferous ________”)
shales,
shale,
ores,
ore,
veins,
rocks,
rock,
slates,
quartz,
schists,
deposits,
slate,
beds,
seams,
schist,
porphyry
Commonly used words are shown in bold. Rare words are dimmed. Click on a word above to view its definition.
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