OUMNH Number: | 330 |
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Name and quarry location: | Alabastro a pecorella, from Aïn Tekbalet district, Oran, Algeria. |
Geological description: | This appears to be a recrystallised brecciated compact banded travertine, composed of medium and coarse-grained granular calcite. It is coloured red by disseminated hematite. |
Comments: | Alabastro a pecorella means little sheep alabaster, but it is the richly coloured bushy growths of iron and manganese oxides that are more distinctive, sometimes giving an almost three dimensional effect. Alabastro a pecorella was exported to Rome from about the 2nd century AD onwards and is often found used and recycled in architecture and sculpture. It is not longer quarried today. The fashion for Algerian 'onyx marble' in the late 19th and 20th centuries was for the green or white translucent stone also found in substantial deposits around Oran. |
References: | Borghini (1997) 149-150; Chafetz (1998); Corsi (1845) 134-135; Lazzarini (2002c) 244-245; Merrill (1903) 281-284; Mielsch (1985) 39, taf.3; Price (2007) 54-55; Watson (1916) 355-359 |
Further information: |
Alabaster-travertine.pdf |
Corsi's classification: | Class 1. Marbles; Section 4. Concretionary marbles; Species 1. Alabasters; i. Antique alabaster |
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Corsi's text: | 97.37 Alabastro antico. Marmor Alabastrum. Alabastro a pecorella |