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LOTERRE

LOTERRE

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Concept information

Preferred term

Porphyry  

Definition(s)

  • A dark purplish-red rock, first quarried in ancient Egypt, containing relatively large crystals in a fine-grained igneous matrix; takes a hard polish and is valued as a durable sculptor's material and as a decorative architectural material; considered the best material for the muller and slab used for grinding artists' colors [AAT, alt.]

Broader concept(s)

Notation

  • 119276

In other languages

URI

http://data.loterre.fr/ark:/67375/JLC-HX10PQXZ-M

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