Corsi Collection of Decorative Stones

view of stone 920

Corsi 920, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 920  
Name and quarry location: almost certainly Vytina black, from Vytina, Arcadia, Peloponnese, Greece  
Geological description: Fine-grained black limestone with white shells of rudist bivalves; Cretaceous age.  
Comments: This stone, from near the village of Vytina (Vitina), was worked in ancient Roman times, but most quarrying has taken place in the 20th century. The jagged edged white rudist bivalves distinguish it from other black and white fossil marbles such as those of Kilkenny in Ireland and Derbyshire in England, which are of Carboniferous age and have faunas rich in brachiopods, crinoids and corals. This is the bigio morato of some authors, for example Mielsch (1985).  
References: Corsi (1827) 13; D'Aragona (2002) 325; Gnoli (1971) pl.200; Lazzarini (2002c) 265; Mielsch (1985) 57, taf.16; Price (2007) 154; Zoppas (b) 202  
Further information:

Corsi's classification: Class 1. Marbles; Section 2. Veined marbles; Species 6. Black and white marbles  
Corsi's text: 55.8/ S13.2 Nero lumachellato. Questi marmi provenivano dall' Egitto  

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