| Shchipalkina, Nadezhda V., Pekov, Igor V., Chukanov, Nikita V., Biagioni, Cristian, Pasero, Marco (2019) Crystal chemistry and nomenclature of rhodonite-group minerals. Mineralogical Magazine, 83 (6) 829-835 doi:10.1180/mgm.2019.65 | Journal (article/letter/editorial) | CaMn3Mn[Si5O15], ferrorhodonite CaMn3Fe[Si5O15], and vittinkiite MnMn3Mn[Si5O15]. This is a 'preproof' accepted...2019.65. Keywords: rhodonite, ferrorhodonite, vittinkiite, rhodonite group, manganese silicate, inosilicate...and structurally, including the low-Ca species vittinkiite, ideally MnMn3Mn[Si5O15] (IMA2017β082a; Shchipalkina...Mn7[Si7O21] may be considered as dimorphous with vittinkiite, Mn5[Si5O15] (the Ca-free rhodonite-type compound...CaMn3Fe[Si5O15] (Shchipalkina et al. 2017). Vittinkiite is the rhodonite-group mineral with the ideal |
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Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil