Matches in DBpedia 2014 for { ?s ?p Aphthitalite is a potassium sulfate mineral with the chemical formula: (K,Na)3Na(SO4)2.It was first described in 1835 for an occurrence on Mt. Vesuvius, Italy. The name is from the Greek άφθητος, "unalterable", and άλας, "salt", for its stability in air. It occurs as fumarolic incrustations in volcanic environments, as small crystals and masses in evaporite deposits and in guano deposits.. }
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- Aphthitalite comment "Aphthitalite is a potassium sulfate mineral with the chemical formula: (K,Na)3Na(SO4)2.It was first described in 1835 for an occurrence on Mt. Vesuvius, Italy. The name is from the Greek άφθητος, "unalterable", and άλας, "salt", for its stability in air. It occurs as fumarolic incrustations in volcanic environments, as small crystals and masses in evaporite deposits and in guano deposits.".