Corsi Collection of Decorative Stones

view of stone 273

Corsi 273, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 273  
Name and quarry location: Lumachella di San Vitale, from San Vitale di Roverè, Verona, Veneto, Italy  
Geological description: Fossiliferous limestone with large fragments of 'Lithiotis' bivalve. Some contain original calcite microstructure, others are replaced by recrystallised calcite. It has many calcite-filled stylolites and fractures.  
Comments: Lumachella di San Vitale is characterised by long narrow sections of a reef-forming bivalve Lithiotis, and is named after San Vitale di Roverè, in the province of Verona. Jervis (1889) describes a coral marble of elongated shells/pods, with a yellow brown charged cement, from near the little village of San Vitale in Arco... used as an ornamental rock. Polloni (1817, 1825) says the matrix is red. Both are colour variants of this Lower Jurassic limestone which was also obtained from Lugo and other locations in the Anguilla, Squaranto and Pantena valleys of Verona, as well as other places to the north and east. The painted number on the back of the specimen confirms a Verona/Vicenza provenance (see Verona.pdf for more information).  
References: Antonelli (2003); Fraser (2004); Jervis (1889) 144; Pieri (c.1958) tav.XIV; Price (2007) 168  
Further information: Verona.pdf

Corsi's classification: Class 1. Marbles; Section 3. Lumachellas; ii. Italian lumachellas  
Corsi's text: 85.41 Sanvital sopra Costagie ne'Colli Eugenei  

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