Corsi Collection of Decorative Stones

view of stone 76

Corsi 76, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 76  
Name and quarry location: Marmo nero di Como, from Como, Lombardy, Italy  
Geological description: Black bituminous limestone with inclusions of organic matter, perhaps coprolites.  
Comments: Corsi's locality is not confirmed but is probably correct. Jervis (1889) describes a number of black or blackish limestones from the Province of Como including a compact black marble of Upper Triassic age from Olcio used for decoration in the Duomo in Como. Nero di Como has been used in many Italian churches and cathedrals.  
References: Jervis (1889) passim.  
Further information:

Corsi's classification: Class 1. Marbles; Section 1. Monochrome marbles; Species 6. Black marbles  
Corsi's text: 40.6 Nero di Como  

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