OUMNH Number: | 770 |
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Name and quarry location: | Sicilian jasper, probably diaspro di Troina, from Troina, Enna, Sicily, Italy |
Geological description: | Radiolarian chert coloured by included limonite mainly concentrated between radiolaria tests. The few thin fractures are agate-banded. |
Comments: | Probably from Troina (formerly Traina), Province of Enna, Sicily, Italy. Both Borch (Montana, 1998) and Jervis (1881, 1889) describe 'agate’ coloured yellow from this locality. |
References: | Jervis (1881) 288; Jervis (1889) 477; Montana & Briuccia (1998) 37-38; Price (2007) 246-247; Schmidt (2002) |
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: | 189.23 Diaspro di Traina... di Sicilia |