Item talk:Q162576

Mindat Short Description

Mn analogue of chloritoid. Ottrélite was originally described as a Mn-rich, but not necessarily Mn-dominant chloritoid, consequently many "ottrélites" are in reality Mn-rich chloritoids, see Chloritoid best minerals article and references therein for f...

Geoscience Ontology Status Notes

Descloizeaux A, Damour A A (1842) De l'ottrélite, nouvelle espèce minérale, Annales des Mines 2, 357-361

IMA Formula (from Mindat)

Mn²⁺Al₂O(SiO₄)(OH)₂

RRUFF Formula (from Geoscience Ontology)

Mn²⁺Al₂O(SiO₄)(OH)₂

Additional References

• http://www.handbookofmineralogy.com/pdfs/ottrelite.pdf

• http://www.webmineral.com/data/Ottrelite.shtml