Tuesday, February 4, 2014

Ilmenite

Ilmenite is a weakly magnetic titanium-iron oxide mineral which is iron-black or steel-gray. It is a crystalline iron titanium oxide (FeTiO3). It crystallizes in the trigonal system, and it has the same crystal structure as corundum and hematite.

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synanthrope

 A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolve...