Francesco Civero's Photo Gallery
99H-3K6Leucite K(AlSi2O6)
Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, ItalyDimensions: 9 mm x 9 mm x 9 mm
Largest Crystal Size: 9 mm
Weight: 5 g
1RC-3QRBiotite K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 , Fayalite-Forsterite Series, Calcite CaCO3 , Hornblende Root Name Group ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, ItalyFoto by Francesco Civero
AE9-FFJHalotrichite FeAl2(SO4)4·22H2O
Grotta dello Zolfo, Miseno, Bacoli, Naples, Campania, ItalyNice and well formation of halotrichite cristal on tuff matrix.Photo by Francesco Civero
RPE-YR8Halotrichite FeAl2(SO4)4·22H2O
Grotta dello Zolfo, Miseno, Bacoli, Naples, Campania, ItalyWell formated crystal of halotrichite with sulphur on tuff matrix
2CD-AGLBiotite K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 , Fayalite-Forsterite Series, Hornblende Root Name Group ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, ItalySize crystal 3 mm .
metamorphic rock
W97-CKXHalotrichite FeAl2(SO4)4·22H2O
Grotta dello Zolfo, Miseno, Bacoli, Naples, Campania, Italywell formated crystal of halotrichite with globular sulphur.size 2cm
5X5-PA9Sulphur S8
Solfatara di Pozzuoli, Pozzuoli, Naples, Campania, ItalyVery nice crystal size 3mm
9GY-34YLeucite K(AlSi2O6)
Solfatara di Pozzuoli, Pozzuoli, Naples, Campania, ItalyLeucite on leucitite associated with augite
Size 2mm
4ET-48VLeucite K(AlSi2O6)
Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, ItalyCrystal of leucite size2mm
YCM-5D6Covellite CuS , Leucite K(AlSi2O6) , Augite (CaxMgyFez)(Mgy1Fez1)Si2O6
Mount Vesuvius, Somma-Vesuvius Complex, Naples, Campania, ItalyNice covellite crystal on lava matrix