| The hematite and the clays appear intergrown, suggesting that they co-precipitated. |
| A spectrometer on MGS revealed a large deposit of hematite in the heavily cratered highlands. |
| Gray hematite more quietly occupies the rims of hot springs and geysers where its presence often goes unnoticed. |
| At Azegour, Morocco, uraninite occurs in tactite with molybdenite, chalcopyrite, barite, pyrite, hematite, and garnet. |
| Sandstones with this component contain authigenic hematite intergrown with kaolinite and illite and replacing muscovite. |
| The team achieved the gains by coating hematite, an iron oxide similar to rust, with nickel iron oxide. |
