Crystopedia
IMA mineral species

Aphthitalite

K₃Na(SO₄)₂

Sulfate mineral.

GreenBlueGrayWhite & Clear

Aphthitalite specimen
Aphthitalite-180031.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaK₃Na(SO₄)₂
ElementsK, Na, S, O
Crystal systemTrigonal
Mohs hardness3
Density2.751 g/cm³
Streak—
Color—
IMA symbolAtt
Nickel–Strunz class7.AC.35

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

🌍 Where it's found

Type locality (where it was first described): Mount Vesuvius, Italy

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

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