Aphthitalite

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Template:Short description Script error: No such module "Infobox".Script error: No such module "Check for unknown parameters". 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 Mount Vesuvius, Italy. The name is from the Greek άφθητος, "unalterable", and άλας, "salt", for its stability in air.[1] It occurs as fumarolic incrustations in volcanic environments, as small crystals and masses in evaporite deposits and in guano deposits.[2][3] It occurs associated with thenardite, jarosite, sylvite and hematite in fumaroles; with blödite, syngenite, mirabilite, picromerite, borax and halite in evaporites; and with syngenite, whitlockite, monetite, niter and gypsum in guano deposits.[3]

References

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