| Name: | Sigismundite Sigm |
| IMA Chemistry: | BaFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| Chemistry Elements: | The mineral Sigismundite contains elements: Barium (Ba) Iron (Fe) Calcium (Ca) Sodium (Na) Aluminum (Al) Phosphorus (P) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Italy |
| Year First Published: | 1994 |
| IMA Status: | Approved,Renamed |
| Status Notes: | Demartin F, Gramaccioli C M, Pilati T, Sciesa E (1996) Sigismundite, (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(OH)2(PO4)12, a new Ba-rich member of the arrojadite group from Spluga Valley, Italy, The Canadian Mineralogist 34, 827-834 Name changed from sigismundite to arrojadite-(BaFe): Chopin C, Oberti R, Camara F (2006) The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group, American Mineralogist 91, 1260-1270 Named changed from arrojadite-(BaFe) back to sigismundite according to the rule for the preservation of historical names: Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 66. European Journal of Mineralogy 34, 253-257 |
| Structural Group Name: | Arrojadite |
| Fleischer's Group Name: | dickinsonite, dickinsonite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2000 Million Years Ago |
| More Info: | Search Wikipedia: Sigismundite (Wiki) Search Mindat: Sigismundite Search Web Mineral DB: Sigismundite |