Corsi 771, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 771 |
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| Name and quarry location: | Sicilian jasper, diaspro di Giuliana, from Giuliana, Palermo, Sicily, Italy |
| Geological description: | Brecciated red jasper with heavily-fractured agate matrix. Wider fractures are filled with white fine-grained quartz and yellowish carbonate mineral, the latter also present as colourless-yellow zoned rhombohedral crystals in both jasper and agate matrix. Pinkish-brown areas are filler. |
| Comments: | From Giuliana, where many varieties of jasper and agate were obtained. See Jervis 1881 and 1889. |
| References: | Jervis (1881) 225-226; Jervis (1889) 459; Montana & Briuccia (1998) 79; 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: | 189.24 Diaspro di Giuliano... di Sicilia |