Corsi Collection of Decorative Stones

view of stone 764

Corsi 764, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 764  
Name and quarry location: Sicilian jasper, diaspro di Giuliana, from Giuliana, Palermo, Sicily, Italy  
Geological description: A fractured banded yellow and green jasper breccia, matrix and fracture fills are part chalcedony part colourless quartz. Microfossils are abundant in bright yellow areas.  
Comments: One of the most characteristic of all Sicilian jaspers, this brightly coloured jasper, which can have red banding as well, is from Giuliana, Province of Palermo, Sicily. Other samples are in the Naturhistorisches Museum Wien, and shown in Montana (1998).  
References: Jervis (1881) 193-318; Jervis (1889) 449-482; Montana & Briuccia (1998) 79, 116 pl.169; Price (2007) 246-247; Schmidt (2002)  
Further information:

Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; ii. Italian jaspers  
Corsi's text: 189.17 Diaspro di Giuliano... di Sicilia  

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