Mineral Information and Data:

Jagoite
(Pb,Na,Ca)9(Fe3+,Mg,Mn)2(Si,Fe,Pb)17O41(Cl,OH)3 [CNMNC approved formula]

Named for John B. Jago Trelawney (1909-), mineral collector of Palo Alto, California, USA.

IMA status : Valid species (Pre-IMA 1957) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
73.02.01.01  
  (73) Phyllosilicate Condensed Tetrahedral Sheets
  (73.02) with double and single layers
  (73.02.01)
  
Nickel-Strunz
(10th edition) :
09.EG.50
  (09) Silicates
  (09.E) Phyllosilicates
  (09.EG) Double nets with 6-membered and larger rings
  
Crystal system: Hexagonal System
Point group (H-M): 6m2 (or 6m2) — ditrigonal-dipyramidal
  
  
  

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