| OUMNH Number: |
765
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| Name and quarry location: |
Sicilian jasper, diaspro di Castro Giovanni, from either Enna, Sicily, or more probably Monte di Castrogiovanni, near Bivona, Agrigento, Sicily, Italy
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| Geological description: |
Silicified limestone/limestone conglomerate coloured black by included crystals of hematite. A large yellow goethitic pebble is prominent, and scattered mollusc shells are also evident. Matrix and fracture fills are chalcedony.
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| Comments: |
This was perhaps from Enna, which was formerly called Castrogiovanni, a locality mentioned by various authors quoted in Montana (1998), although it is not a locality for jasper listed by Jervis (1881 & 1889) or by Tata (1772).
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| References: |
Jervis (1881) 193-318; Jervis (1889) 449-482; Montana & Briuccia (1998) 33, 38; Price (2007) 246-247; Schmidt (2002); Tata (1772)
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| Further information: |
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