Corsi Collection of Decorative Stones

view of stone 767

Corsi 767, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 767  
Name and quarry location: Sicilian jasper, diaspro di Giuliana, from Giuliana, Palermo, Sicily, Italy  
Geological description: A banded brown, yellow and green jasper breccia, matrix and fracture fills are part chalcedony part colourless quartz, fractures also with bands of pyrite. Microfossils are evident in some bright yellow areas.  
Comments: This is a banded jasper similar to 764 but less vibrantly coloured, 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; 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: 189.20 Diaspro di Giuliano... di Sicilia  

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