Mineral Information and Data:

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

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