Item talk:Q162637

Mindat Short Description

Pyroxmangite of MnSiO3 composition is the high-pressure, low-temperature polymorph with respect to rhodonite of the same composition (Maresch & Mottana, 1976). There is also an unnamed α phase - UM1975-18-SiO:Mn - recognized in limestones from the Poli...

Geoscience Ontology Status Notes

Germar (1819) Ueber die kohlenstoff - und kieselsauren Manganerze des Unterharzes, Journal für Chemie und Physik 26, 108-120

IMA Formula (from Mindat)

CaMn₃Mn(Si₅O₁₅)

RRUFF Formula (from Geoscience Ontology)

Mn²⁺SiO₃

Additional References

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

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