IMA mineral species

Delhayelite

K₇Na₃Ca₅Al₂Si₁₄O₃₈F₄Cl₂

Phyllosilicate mineral.

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

Properties

Chemical formulaK₇Na₃Ca₅Al₂Si₁₄O₃₈F₄Cl₂
ElementsK, Na, Ca, Al, Si, O, F, Cl
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolDhy
Nickel–Strunz class9.EB.10

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

🌍 Where it's found

Type locality (where it was first described): Mount Shaheru, Democratic Republic of the Congo

  • 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.