Corsi's classification: | Class 1. Marbles; Section 6. Argillaceous stones; i. Common clays |
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Corsi's text: | 129.16 Diaspro di Volterrajo |
Corsi's classification: | Class 1. Marbles; Section 6. Argillaceous stones; i. Common clays |
---|---|
Corsi's text: | 129.16 Diaspro di Volterrajo |