Corsi Collection of Decorative Stones

view of stone 850

Corsi 850, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 850  
Name and quarry location: Granito delle Alpi, from the Alps  
Geological description: Quartz diorite. Coarse-grained, equigranular. Plagioclase, amphibole (altering to yellow micaceous mineral), minor quartz.  
Comments: This locality has not been confirmed.  
Further information:

Corsi's classification: Class 16. Granites; ii. Italian granites  
Corsi's text: 209.2 Granito delle Alpi  

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