Manganvesuvianite
Ca19Mn3+Al10Mg2(SiO4)10(Si2O7)4O(OH)9 [CNMNC approved formula]
Named for the relationship to vesuvianite (idocrase) and Mn.
IMA status : | Approved Species 2002 () |
CLASSIFICATION | |
Dana (8th edition) : |
58.02.04.04 (This Dana# Added) |
(58) Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups | |
(58.02) with cations in [6] and higher coordination; single and double groups (n=1,2) | |
(58.02.04) Vesuvianite Group | |
Nickel-Strunz (10th edition) : |
09.BG.35 |
(09) Silicates | |
(09.B) Sorosilicates (dimer) structures | |
(09.BG) Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination | |
Crystal system: | Tetragonal System |
Point group (H-M): | 4/m — dipyramidal |
Synonyms/varieties: | IMA2000-040, Idocrase - Mn bearing, Manganidocrase, Vesuvianite - Mn bearing |