Corsi Collection of Decorative Stones

view of stone 870

Corsi 870, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 870  
Name and quarry location: Sandstone, from the Alps  
Geological description: A quartz sandstone with abundant mafic mineral grains, scattered large forams and other shell fragments, and some calcareous grains/cement.  
Comments: Corsi has misclassified this stone as a granite, it belongs with his 'arenaria' (sandstones). It is still possible that it came from the Alps.  
References:  
Further information:
 


Corsi's classification: Class 16. Granites; ii. Italian granites  
Corsi's text: 211.22 Granito delle Alpi  

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