Corsi Collection of Decorative Stones

view of stone 132

Corsi 132, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 132  
Name and quarry location: most probably giallo e nero di Carrara, from Carrara, Massa e Carrara, Tuscany, Italy  
Geological description: Finely brecciated weakly metamorphosed fine-grained limestone with veins of saccharoidal to fibrous calcite; some veins and stylolites coloured yellow by included goethite.  
Comments: This is most likely to be from Carrara (like no.131) rather than nearby Portovenere. The name 'portoro' although most famously applied to the stone from the Portovenere area, was used colloquially for any black and yellow 'marble' according to Jervis (1889).  
References: Corsi (1845) 112; Gnoli (1988) 180; Jervis (1862) 5; Jervis (1889) passim; Price (2007) 87; Wirsing (1775)  
Further information:

Corsi's classification: Class 1. Marbles; Section 2. Veined marbles; Species 7. Yellow and black marbles  
Corsi's text: 56.2 altra specie di marmo Rodio [Giallo e nero antico, ne assegna la cava nell'isola di Rodi... e lo chiama marmo Rodio]  

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