Corsi Collection of Decorative Stones

view of stone 978

Corsi 978, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 978  
Name and quarry location: Sicilian jasper, diaspro di Sicilia, from Sicily, Italy  
Geological description: Brecciated red jasper with heavily fractured agate matrix patchily speckled with hematitic inclusions. Diffuse brown goethite forms inclusions and full/partial rims to clasts. Dendritic manganese oxides are common along fractures in matrix, crystalline quartz fills smaller voids, microcrystalline calcite the larger ones.  
Comments: This jasper-agate is almost certainly from Sicily, Italy. Nos.977 and 978 are likely to be from the same locality in Sicily.  
Further information:

Corsi's classification: Class 14. Quartz and its varieties; Species 6. Jasper; i. Antique jaspers  
Corsi's text: 186.8/ S25.3 Altro di stesso luogo [Diaspro anticho. Diaspro d'Egitto]  

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