Corsi Collection of Decorative Stones

view of stone 672

Corsi 672, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 672  
Name and quarry location: Basalte scura, very possibly from Wadi Hammamat, Eastern Desert, Egypt  
Geological description: Most probably a metagreywacke, a metamorphosed turbidite deposit with sand to silt sized particles.  
Comments: None of Corsi's 'basalti' are in fact basalt, a dark extrusive igneous rock.  
References: Corsi (1845) 196; Harrell (2010a)  
Further information:

Corsi's classification: Class 9. Basalts; i. Ancient basalts  
Corsi's text: 160.2 Basalte scura. Marmor Aethiopicum... [trovasi] nell' Etiopia  

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