IMA mineral species

Leucite

K(AlSi₂O₆)

Zeolite mineral.

GrayWhite & Clear

Leucite specimen
PseudoleucitaEZ.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaK(AlSi₂O₆)
ElementsK, Al, Si, O
Crystal systemTetragonal
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolLct
Nickel–Strunz class9.GB.05

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

🌍 Where it's found

Type locality (where it was first described): Mount Somma, 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.