An antique architectural fragment carved out of purple-red "Egyptian" or imperial porphyry in the form of a rectangular cornerstone/
The term porphyry is from Ancient Greek : "πορφύρα" or porphyra and means "purple". Purple was the color of royalty, and the "imperial porphyry" was a deep purple igneous rock with large crystals of plagioclase. Some authors claimed the rock was the hardest known in antiquity. The emperor Nero had a bad made out of porphyry, which is now in the collection of the Vatican Museum.
Roman. 1st-3rd century A.D.
Dimensions: H 20.2cm ; L 9cm ; W 7cm
Provenance: art & antique trade (BE)
- Ancient Roman
- architectural cornerstone
- 20.2×7×9 cm
- Century/ Timeframe
- 1st-3rd century A.D.
- Good Condition, See Photo