IMA mineral species

Mosandrite-(Ce)

(Ca₃REE)[(H₂O)₂Ca₀.₅☐₀.₅]Ti(Si₂O₇)₂(OH)₂(H₂O)₂

Seidozerite supergroup, sorosilicate mineral.

Mosandrite-(Ce) specimen
Mosandrite-(Ce)-724023.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Ca₃REE)[(H₂O)₂Ca₀.₅☐₀.₅]Ti(Si₂O₇)₂(OH)₂(H₂O)₂
ElementsCa, H, O, Ti, Si
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMsd-Ce
Nickel–Strunz class9.BE.20

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

🌍 Where it's found

Type locality (where it was first described): Låven island, Norway

Varieties & related stones