Corsi Collection of Decorative Stones

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view of stone 835

Corsi 835, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 835  
Name and quarry location: Granito nero, from between Aswan and Shellal District, Nile Valley, Egypt  
Geological description: Hornblende biotite granite/granodiorite hybrid with white feldspar megacrysts. It is crossed by a pink granite (predominantly potash feldspar) vein.  
Comments: This stone is intermediate between Harrell's variety 'b' and 'a' of the Aswan granites and granodiorites described on his website. It comes from quarries between Aswan and the Shellal district.  
References: Borghini (1997) 224; Corsi (1845) 210-211, 215-216; Harrell (2010a); Lazzarini (2002c) 229; Mielsch (1985) 67; Price (2007) 234  
Further information:
 


Corsi's classification: Class 16. Granites; i. Antique granite  
Corsi's text: 206.23 Granito antico. Marmor Syenite. Marmo Sienite... [trovata] presso la città di Siene sul confine fra Egitto, e l'Etiopia... Pyrrhopoecilon... Psaronion...Aethiopicum perchè... era Siene sul confine dell' Etiopia.  

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