IMA mineral species

Eylettersite

Th₀.₇₅Al₃(PO₄)₂(OH)₆

Alunite supergroup, phosphate mineral.

Eylettersite specimen
Eylettersite, Mundite, Threadgoldite.png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaTh₀.₇₅Al₃(PO₄)₂(OH)₆
ElementsTh, Al, P, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEyl
Nickel–Strunz class8.BL.10

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

🌍 Where it's found

Type locality (where it was first described): Kobokobo open pit, 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.