Corsi Collection of Decorative Stones

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view of stone 649

Corsi 649, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 649  
Name and quarry location: Pietra dell'Etna, from Mt. Etna, Catania, Sicily, Italy  
Geological description: Trachyandesite/trachyte. A pale grey porphyritic vocanic or dyke rock with subhedral laths of feldspar showing some alignment, set in a groundmass of feldspar and minor ferromagnesian minerals.  
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Corsi's classification: Class 8. Volcanic stones; ii. Stones from Etna  
Corsi's text: 156.5 Pietra dell'Etna  

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Funded by Esmée Fairbairn Foundation Oxford University Museum of Natural History University of Oxford