Definition of hematite
: a reddish-brown to black mineral consisting of ferric oxide, constituting an important iron ore, and occurring in crystals or as earthy red ocher
hematiticplay \ˌhē-mə-ˈti-tik\ adjective
Recent Examples of hematite from the Web
The layers of quartz contain tubes and tendrils of hematite—a form of iron oxide or rust—likely deposited by bacteria that oxidized iron for energy.
Ojibwe artists made them by mixing hematite with sturgeon oil.
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