イルメナイト
1. ilmenite
2. IlmeniteIlmenite 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. The ilmenite crystal structure is an ordered derivative of the corundum structure; in corundum all cations are identical but in ilmenite Fe and Ti ions occupy alternating layers perpendicular to the trigonal c axis.
Read “Ilmenite” on English Wikipedia
Read “イルメナイト” on Japanese Wikipedia
Read “Ilmenite” on DBpedia
Read “Ilmenite” on English Wikipedia
Read “イルメナイト” on Japanese Wikipedia
Read “Ilmenite” on DBpedia
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