OUMNH Number: | 882 |
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Name and quarry location: | Granito delle Alpi, from the Alps; or perhaps granito bigio dell'Elba, from the island of Elba, Livorno, Tuscany, Italy |
Geological description: | Medium-grained grey granodiorite with coarser patches and detached plagioclase megacrysts. Perthitic structure of the megacrysts gives a pale blue-grey iridescence. |
Comments: | Cavities are coloured orange-brown by filler/polishing agent. |
References: | Corsi (1845) 210-211, 221-222 |
Further information: |
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Corsi's classification: | Class 16. Granites; ii. Italian granites |
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Corsi's text: | 214.34 Granito delle Alpi |