Read Edit View history 赤铁矿 chìtiěkuàng hematite Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 赤铁矿/赤鐵礦 · chìtiěkuàng · hematite 2026/03/04 赤铁矿 / 赤鐵礦 chìtiěkuàng hematite a mineral form of ferric oxide (Fe2O3) and the primary ore of iron, typically appearing as reddish-brown or black crystals 赤铁矿是工业炼铁的主要原料。 organization created sense Mar 4, 2026, 02:25 AM