OUMNH Number: | 772 |
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Name and quarry location: | Sicilian jasper, diaspro di San Stefano di Quisquina, from Santo Stefano Quiquina, Bivona, Agrigento, Sicily, Italy |
Geological description: | Silicified limestone breccia with agate/crystalline quartz matrix and filling of fractures. Darker brown areas are filler. |
Comments: | This may be from Santo Stefano Quisquina, near Bivona. Jervis (1881; 226) describes milky white agate from this locality although that probably refers to translucent chalcedony rather than a silicified limestone breccia like this. Tata includes a dirty white jasper speckled with black, with dark patches, again probably not this stone. |
References: | Jervis (1881) 226; Jervis (1889) 449-482; Montana & Briuccia (1998); Price (2007) 246-247; Schmidt (2002); Tata (1772) 19-20 |
Further information: |
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Corsi's classification: | Class 14. Quartz and its varieties; Species 6. Jasper; ii. Italian jaspers |
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Corsi's text: | 189.25 Diaspro di S.Stefano... di Sicilia |