Crystopedia
IMA mineral species

Reederite-(Y)

(Na,Mn)₁₅Y₂(CO₃)₉(FSO₃)Cl

Carbonate-fluorosulfate mineral.

OrangeYellowBrown

Properties

🔷 Hexagonal✏️ streak white
Chemical formula(Na,Mn)₁₅Y₂(CO₃)₉(FSO₃)Cl
ElementsNa, Mn, Y, C, O, F, S, Cl
Crystal systemHexagonal
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolRde-Y
Nickel–Strunz class5.BF.20

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

🌍 Where it's found

Type locality (where it was first described): Poudrette quarry, Canada

  • 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.

Learn more