IMA mineral species

Steenstrupine-(Ce)

Na₁₄Ce₆Mn²⁺₂Fe³⁺₂Zr(PO₄)₇Si₁₂O₃₆(OH)₂·3H₂O

Cyclosilicate mineral.

Steenstrupine-(Ce) specimen
Steenstrupine-(Ce)-251184.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₁₄Ce₆Mn²⁺₂Fe³⁺₂Zr(PO₄)₇Si₁₂O₃₆(OH)₂·3H₂O
ElementsNa, Ce, Mn, Fe, Zr, P, O, Si, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSsp-Ce
Nickel–Strunz class9.CK.20

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

🌍 Where it's found

Type locality (where it was first described): Kangerluarsuk fjord, Ilímaussaq, Greenland