Corsi Collection of Decorative Stones

view of stone 882

Corsi 882, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 882  
Name and quarry location: Granito delle Alpi, from the Alps; or perhaps granito bigio dell'Elba, from the island of Elba, Livorno, Tuscany, Italy  
Geological description: Medium-grained grey granodiorite with coarser patches and detached plagioclase megacrysts. Perthitic structure of the megacrysts gives a pale blue-grey iridescence.  
Comments: Cavities are coloured orange-brown by filler/polishing agent.  
References: Corsi (1845) 210-211, 221-222  
Further information:
 


Corsi's classification: Class 16. Granites; ii. Italian granites  
Corsi's text: 214.34 Granito delle Alpi  

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