Pickeringite, Voltaite
Specimen ID: T2D-DN5
Pickeringite : MgAl2(SO4)4·22H2O
Voltaite : K2Fe2+5Fe3+3Al(SO4)12·18H2O
As recorded:
Grotta dell'Allume, Faraglione Nico, Faraglioni di Levante, Porto Levante, Vulcano Island, Lipari, Eolie Islands, Metropolitan City of Messina, Sicily, Italy
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Photo added to mindat.org
“Sony Nex 7, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control.
White Pickeringite fibers besides nearly black Voltaite.
Collection and photo Stephan Wolfsried ”
Stephan Wolfsried - 4th January 2016
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