Item talk:Q162331

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Mindat Short Description

The Mg analogue of Sekaninaite. Cordierite-Sekaninaite Series.

The hexagonal high-temperature dimorph of cordierite is indialite.

Cordierite is a high- to ultra-high-temperature species.

It is often found altered to pinite.

May be confused ...

Geoscience Ontology Status Notes

Lucas J A H (1813) XIII. Cordierite (Iolithe), in Tableau Méthodique Espèces Minérales, Seconde Partie, D'Hautel (Paris) 219-222

IMA Formula (from Mindat)

Mg2Al4Si5O18

RRUFF Formula (from Geoscience Ontology)

Mg2Al3(AlSi5)O18

Additional References