Corsi Collection of Decorative Stones

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view of stone 792

Corsi 792, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 792  
Name and quarry location: Granito bigio, granito a morviglione, from the area between Frejus and Dramont, Esterel Mountains, Var, France  
Geological description: Porphyritic dacite, with phenocrysts of white compositionally zoned plagioclase feldspar and dark green to black hornblende.  
Comments: 'Morviglione' is an old Italian name for pox or measles.  
References: Antonelli (2002b) 274-275; Borghini (1997) 219, 270-271; Corsi (1845) 205; Lazzarini (1998); Price (2007) 210-211  
Further information:
 


Corsi's classification: Class 15. Porphyry; Species 1; ii. Italian porphyries  
Corsi's text: 195.4 Porfido delle Alpi  

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