Pumpellyite (subgroup) [ Ca2XAl2[Si2O6(OH)][SiO4](OH)2A, X=Mg,FeII,FeIII,Al,MnII, A = OH,O ]
Material properties
| Formula | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A, X=Mg,FeII,FeIII,Al,MnII, A = OH,O |
| Abbreviation | Pmp |
| Crystal symmetry | Monoclinic, Point group 2/m |
| Classifications | Minerals containing H2O, Minerals containing OH, Minerals containing SiO4 |
| Members | Pumpellyite-(Al), Pumpellyite-(Fe2+), Pumpellyite-(Fe3+), Pumpellyite-(Mg), Pumpellyite-(Mn2+) |
| Reflectance line | OH |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Hydroxide, Subgroup |
Composition
| Element | Atoms |
|---|---|
| Si | 3 |
| Ca | 2 |
| O | 13 |
| Fe | 0-1 |
| Mg | 0-1 |
| Mn | 0-1 |
| H | 2-3 |
| Al | 2-3 |