Corsi Collection of Decorative Stones

view of stone 886

Corsi 886, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

edge view of stone 886

edge view of stone 886, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 886  
Name and quarry location: Pietra di Malanaggio, from Malanaggio, Val Chisone, Piedmont, Italy  
Geological description: A foliated, recrystallised medium-grained meta-granodiorite.  
Comments: Nos. 881 and 886 are most probably diorite di Malanaggio, originally from Malanaggio, Val Chisone, Piedmont, Italy, and now obtained from the nearby commune of San Germano Chisone. Note that cavities in biotite are coloured by orange-brown polishing compound.  
References:  
Further information:
 


Corsi's classification: Class 16. Granites; ii. Italian granites  
Corsi's text: 215.38 Granito di Malanggio in Piemonte  

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