Alstonite
3885 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales
Tom Cottrell 2/2005
3886 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales
Tom Cottrell 2/2005
5459 Barite after Alstonite. Nentsberry Haggs Mine, Alston, Cumbria, England
A neat pseudomorph of barite after alstonite from Nentsberry Haggs Mine, Nent Valley, Alston Moor District, Cumbria, England. Photo width 20mm.