Pumpellyite-(Mg) [ Ca2MgAl2(Si2O7)(SiO4)(OH)2·H2O ]
Material properties
| Formula | Ca2MgAl2(Si2O7)(SiO4)(OH)2·H2O |
| Abbreviation | Pmp-Mg |
| IMA Status | Approved/renamed (IMA 1973 s.p.) |
| Classification | Pumpellyite (subgroup) |
| Variant | Cr |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Hydrated, Hydroxide, Mineral |
Composition
| Element | Atoms |
|---|---|
| Al | 2 |
| H | 4 |
| Mg | 1 |
| Si | 3 |
| Ca | 2 |
| O | 14 |
| Total: | 26 |
Specimens of Pumpellyite-(Mg)
| Name | Owner | Materials | Phase purity | Image | Spectra | Techniques |
|---|---|---|---|---|---|---|
| M2100 Scapolite | CSIRO | Meionite, Muscovite, Muscovite-1M, Muscovite-2M1, Prehnite, Pumpellyite-(Mg) (var. Cr) (15.4%), Scapolite (group) | 15.4 | 1 | Reflectance | |
| MT8407 Meionite | CSIRO | Kaolinite, Meionite, Montmorillonite, Muscovite, Muscovite-1M, Muscovite-2M1, Prehnite, Pumpellyite-(Mg) (var. Cr) (3.9%), Scapolite (group) | 3.9 | 1 | Reflectance |
