Wikimedi'Òc

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 1 (38815101300).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 2 (40582935742).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 3 (40582921382).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 5 (40589494702).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 6 (40589489772).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 4 (38821066870).jpg - Ser Amantio di Nicolao

Aragonite needles in vug in dolostone (Vinton Member, Logan Formation, Lower Mississippian; Route 16 roadcut northeast of Frazeysburg, Ohio, USA) 7 (39921209764).jpg - Ser Amantio di Nicolao