Hedenbergite [ CaFeIISi2O6 ]
Material properties
| Formulas | CaFeSi2O6, CaFeIISi2O6 |
| Abbreviation | Hd |
| IMA Status | Approved (IMA 1988 s.p.) |
| Crystal symmetry | Monoclinic, Point group 2/m, Space group C2/c (#15) |
| Classification | Clinopyroxene |
| Variants | Na, lunar |
| Related materials | Ferrobustamite |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| Ca | 1 |
| Fe | 1 |
| Si | 2 |
| O | 6 |
| Total: | 10 |
Specimens of Hedenbergite
| Name | Owner | Materials | Phase purity | Image | Spectra | Techniques |
|---|---|---|---|---|---|---|
| MES112 Hedenbergite | CSIRO | Hedenbergite (91.0%), Pyrite, Quartz | 91.0 | 0 | — | |
| NR139 Hedenbergite | CSIRO | Galena, Hedenbergite (88.0%), Quartz, Skiagite | 88.0 | 0 | — | |
| MES078 Hedenbergite / Montmorillonite | CSIRO | Hedenbergite (70.3%), Magnesite, Montmorillonite, Pyrite, Quartz | 70.3 | 0 | — | |
| M2222 Augite | CSIRO | Augite, Diopside (var. Fe2+), Hedenbergite (var. Na) (63.0%), Quartz | 63.0 | 0 | — | |
| Apollo 12032-366-19x | NASA | Alkali feldspar (var. lunar), Apatite (var. lunar), Baddeleyite (var. lunar), Fayalite (var. lunar), Hedenbergite (var. lunar), Ilmenite (var. lunar), Merrillite (var. lunar), Plagioclase (var. lunar), Silica (var. lunar), Troilite (var. lunar), Zirconolite (var. lunar) | — | 6 | CL |
