IMA mineral species

Leonite

K₂Mg(SO₄)₂·4H₂O

Sulfate mineral.

YellowWhite & Clear

Leonite specimen
Leonite-Halite-112538.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaK₂Mg(SO₄)₂·4H₂O
ElementsK, Mg, S, O, H
Crystal system—
Mohs hardness2.5 – 3
Density2.2 g/cm³
Streakwhite
Color—
IMA symbolLeo
Nickel–Strunz class7.CC.55

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

🌍 Where it's found

Type locality (where it was first described): Westeregeln, Germany

  • 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.