Corsi Collection of Decorative Stones

view of stone 910

Corsi 910, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 910  
Name and quarry location: perhaps breccia corallina, from Verzirhan, Bilecik,Turkey  
Geological description: Heavily sheared and recrystallised limestone breccia, almost entirely altered to fine-grained marble.  
Comments: We have been told this is a variety of breccia corallina, quarried near the village of Vezirhan in Bilecik, Turkey close to a tributary of the River Sakarya. In Roman times the area was Bythinia and the river was called Sagarius. No.404 is a very typical example.  
References: Borghini (1997) 166-167; Lazzarini (2002c) 251; Lazzarini (2002a); Lazzarini (2006); Mielsch (1985) 47, taf.7; Price (2007) 111  
Further information: Portasanta.pdf

Corsi's classification: Class 1. Marbles; Section 2. Veined marbles; Species 1. Porta Santa marble  
Corsi's text: 43.19/ S11.7 Marmo Porta Santa  

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