Corsi Collection of Decorative Stones

view of stone 745

Corsi 745, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 745  
Name and quarry location: Sicilian jasper, most probably diaspro di Giuliana, from Sicily, Italy, and most probably from Giuliana, Palermo.  
Geological description: Brecciated red jasper with rims of opaque white chalcedony. Colourless crystalline quartz matrix is iron-stained and vughy away from clasts. Clasts have colourless quartz-filled fractures.  
Comments: Comparison with samples in the Naturhistorisches Museum Wien suggests this is most probably from Giuliana, Province of Palermo, Sicily, Italy. Compare also with Montana (1998) pl.170,and with Tata's description (1772) of his first specimen 'Diaspro rosso con macchie marciose contornate bianco', from the 'territoria di Giuliana, e propriamente ne' fuoi giardini'.  
References: Corsi (1845) 225-226; Jervis (1881) 193-318; Jervis (1889) 449-482; Montana & Briuccia (1998) 79, 116 pl.170; Price (2007) 246-247; Schmidt (2002)  
Further information:

Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; i. Antique jaspers  
Corsi's text: 186.3 Diaspro. Jaspis. Diaspro antico  

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