Gypsum : CaSO4·2H2O
As recorded:
Chickerell, Dorset, Other, England
37mm x 28mm x 28mm
OK, it is not pretty! It IS unusual, though! White aggregates of this unusual aluminum sulfate mineral intermixed with elongated growths of gypsum. Was labelled originally as "basaluminite", which is a pseudonym for felsobanyaite. Unusual!
Mineral(s)
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