Item talk:Q162937
From geokb
Mindat Short Description
A group established by IMA in 2019. Currently it consists of three mineral species having the following end-member formulae: rhodonite, M5CaM1-M3Mn3M4MnSi5O15, and ferrorhodonite, M5CaM1-M3Mn3M4FeSi5O15. and Vittinkiite M5MnM1-M3Mn3M4MnSi5O15
Note:...