Corsi Collection of Decorative Stones

view of stone 731

Corsi 731, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 731  
Name and quarry location: Sicilian jasper, diaspro-agata di Giuliana, from Giuliana, Palermo, Sicily, Italy  
Geological description: Brecciated brown jasper; agate matrix is patchy with hematitic inclusions in some bands; crystalline quartz fills voids. Buff-coloured areas are filler.  
Comments: From Giuliana, Province of Palermo, Sicily, Italy, where, according to Jervis and Tata, many varieties of jasper and agate were obtained.  
References: Jervis (1881) 225-226; Jervis (1889) 459; Montana & Briuccia (1998) 79; Price (2007) 246-247; Schmidt (2002); Tata (1772) 13-14  
Further information:

Corsi's classification: Class 14. Quartz and its varieties; Species 5. Agate  
Corsi's text: 184.9 Agata di Giuliano in Sicilia  

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