Corsi's classification: | Class 15. Porphyry; Species 2. Porphyries (Lacedaemon); ii. Italian 'serpentine' porphyry |
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Corsi's text: | 201.1 Serpentino di Cecina in Toscana |
Corsi's classification: | Class 15. Porphyry; Species 2. Porphyries (Lacedaemon); ii. Italian 'serpentine' porphyry |
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Corsi's text: | 201.1 Serpentino di Cecina in Toscana |