This group includes 30 samples from the volcanic complex of the Campi Flegrei, Naples, Campania, Italy. Dimensions MM, TN, Miniature and Cabinet, weight about 240 gr.
1. "Arsenosulfurite": small mass of molten sulphur, (not accepted species by the IMA), Solfatara Pozzuoli, Naples
2. Alacranite: orange selliformi crystals, Solfatara Pozzuoli, Naples
3. Analcime: semitransparent icositetrahedral crystals, Procida, Naples
4. Calcite: black balls covered by other white calcite, Torregaveta, Mount of Procida, Naples
5. Chabazite: white cubes, Torregaveta, Mount of Procida, Naples
6. Clinozoisite: groups of elongated pink crystals , Procida, Naples
7. Epidote: green crystals, Procida, Naples
8. Opal gypsum: white elongated crystals, Solfatara Pozzuoli, Naples
9. Goethite: dark spheres, Torregaveta, Mount of Procida, Naples
10. Hematite: small iron roses with yellow pyroxene and sodalite, Punta Marmolite, Quarto, Naples
11. Liottite: orange prismatic crystals, Torregaveta, Mount of Procida, Naples
12. Marialite: white crystals vertically stripped, Procida, Naples
13. Marialite: Transparent crystals Vertically Stripped, Verdolino Valley, Soccavo, Naples
14. Mascagnite: white inflorescences, Solfatara Pozzuoli, Naples
15. Mordenite: tufts of white elongated crystals, Procida, Naples
16. Ossidiana: Black volcanic glass horizontally striated, Torregaveta, Mount of Procida, Naples
17. Pickeringite: fragile white crystals, Solfatara Pozzuoli, Naples
18. Pirite: small cubic brass crystals, Pisciarelli, Pozzuoli, Naples
19. Quartz: crystals in Alpine dress, Procida, Naples
20. Realgar: red crystals, Solfatara Pozzuoli, Naples
21. Sal Ammoniac-Dimorphite: Translucent granules wrapping small yellow dimorphite crystals, Solfatara Pozzuoli, Naples
22. Sanidine: transparent and colorless tabular crystals, Torregaveta, Mount of Procida, Naples
23. Siderite: dark crystals, Torregaveta, Mount of Procida, Naples
24. Sodalite titanite: rhombododecahedric crystals with orange titanite, Torregaveta, Mount of Procida, Naples
25. Sulphur: Yellow Bipiramidal crystals, Solfatara Pozzuoli, Naples
26. Thomsonite: a group of white tabular crystals, Procida, Naples
27. Titanite: orange spearhead crystals, Procida, Naples
28. Vonsenite: metallic crystals elongated in a "flame", Cave Piperno, Soccavo, Naples
29. Vonsenite: black fluffy crystals, Torregaveta, Mount Procida, Naples
30. Zirconolite: dark elongated crystals, Procida, Naples