IMA mineral species

Deloneite

(Na₀.₅REE₀.₂₅Ca₀.₂₅)(Ca₀.₇₅REE₀.₂₅)Sr₁.₅(CaNa₀.₂₅REE₀.₂₅)(PO₄)₃F₀.₅(OH)₀.₅

Apatite, phosphate mineral.

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

Properties

Chemical formula(Na₀.₅REE₀.₂₅Ca₀.₂₅)(Ca₀.₇₅REE₀.₂₅)Sr₁.₅(CaNa₀.₂₅REE₀.₂₅)(PO₄)₃F₀.₅(OH)₀.₅
ElementsNa, Ca, Sr, P, O, F, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolDln
Nickel–Strunz class8.BN.05

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

🌍 Where it's found

Type locality (where it was first described): Koashva open pit, Russia

  • 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.