Corsi 817, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 817 |
|---|---|
| Name and quarry location: | Granito bigio, granito a morviglione, porfido bigio di Sibilio, from the area between Frejus and Dramont, Esterel Mountains, Var, France |
| Geological description: | Porphyritic dacite, with large phenocrysts of white compositionally zoned plagioclase feldspars, and green-black zoned amphibole (altered hornblende), with a little biotite. |
| Comments: | 'Morviglione' is an old Italian name for pox or measles. |
| References: | Antonelli (2002b) 274-275; Borghini (1997) 219, 270-271; Corsi (1845) 205; Lazzarini (1998); Mielsch (1985) 66; Price (2007) 210-211 |
| Further information: |
|
| Corsi's classification: | Class 16. Granites; i. Antique granite |
|---|---|
| Corsi's text: | 204.5 Granito antico. Marmor Syenite. Marmo Sienite... [trovata] presso la città di Siene sul confine fra Egitto, e l'Etiopia... Pyrrhopoecilon... Psaronion...Aethiopicum perchè... era Siene sul confine dell' Etiopia. |