IMA mineral species

Ferriallanite-(Ce)

CaCe(Fe³⁺,Fe²⁺,Al)₃[SiO₄][Si₂O₇]O(OH)

Epidote supergroup, sorosilicate mineral.

Ferriallanite-(Ce) specimen
Ferriallanite-(Ce).webp · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCaCe(Fe³⁺,Fe²⁺,Al)₃[SiO₄][Si₂O₇]O(OH)
ElementsCa, Ce, Fe, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFaln-Ce
Nickel–Strunz class9.BG.05b

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

🌍 Where it's found

Type locality (where it was first described): Neprimetnyi pegmatite, Mongolia

  • 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.