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Scientific information from the Mars Exploration Rover mission Reference Libraries

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Hematite
2005-05-26 10:41:56

Hematite (AE) or haematite (BE) is the mineral form of Iron (III) oxide, (Fe2O3), one of several iron oxides. The ore sometimes contains slight amounts of titanium. When shaped into ornaments, it is often called black diamond. Hematite is a very common mineral, coloured black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron. Varieties include...

Word of the Day
dittany
  • An aromatic woolly plant (Origanum dictamnus) native to Crete, formerly believed to have magical powers.
The word 'dittany' may come from the name of Mount Diktē in Crete, where it was supposed to grow.
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