Corsi Collection of Decorative Stones

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view of stone 671

Corsi 671, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 671  
Name and quarry location: Pietra di paragone, Lydian stone, locality unknown  
Geological description: Ignimbrite. This fine-grained rock with a streaky texture has occasional crystals of feldspar and a ferromagnesian mineral. It is densely welded.  
Comments:  
References: Corsi (1845) 198  
Further information:
 


Corsi's classification: Class 9. Basalts; i. Ancient basalts  
Corsi's text: 160.1 Pietra di paragone. Marmor Lydium... si trovava nella Lidia provincia dell'Asia minore  

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