| OUMNH Number: | 549 | 
|---|---|
| Name and quarry location: | Gesso di Matelica, alabastro di Matelica, from Matelica, Macerata, Marches, Italy | 
| Geological description: | Micritic limestone containing bands of gypsum crystals, as spots and patches in fine-grained compact gypsum (alabaster). | 
| Comments: | Metalica was a source of gypsum according to Jervis (1889). However much of this specimen is limestone rather than gypsum. | 
| References: | Jervis (1889) 211 | 
| Further information: |  | 
| Corsi's classification: | Class 3. Gypsums | 
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| Corsi's text: | 135.6 Altro dello stesso luogo [Gesso di Matelica] | 
