Corsi Collection of Decorative Stones

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view of stone 759

Corsi 759, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 759  
Name and quarry location: Calcedonio di Volterra, Diaspro di Monterufoli, from Monterufoli, near Pomarance, Pisa, Tuscany, Italy  
Geological description: Fractured, rounded jaspery clasts, haloes with banded colourless/ferruginous quartz, in a matrix of colourless granular dolomite.  
Comments: This stone is from Monerufoli, not far from Volterra. The subtle variation in colour tone made the jasper clasts particularly suitable for portraying petals, shells etc, in Florentine pietre dure work.  
References:  
Further information:
 


Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; ii. Italian jaspers  
Corsi's text: 188.12 Diaspro di Volterra  

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