Porphyry, vintage engraved illustration. Porphyry a variety of igneous rock consisting of large-grained crystals. Dictionary of
Porphyry, vintage engraved illustration. Porphyry a variety of igneous rock consisting of large-grained crystals. Dictionary of words and things - Larive and Fleury - 1895.
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Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
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