specular iron (also iron ore), haematite, esp. the brilliant crystalline form of this.
单词 | θ6735 |
释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > corundum group A2 03 > haematite > other haematites (5) specular iron (also iron ore)1796 specular iron (also iron ore), haematite, esp. the brilliant crystalline form of this. oligistc1803 More fully oligist iron. Haematite. iron glance1883 specular iron ore; cf. glance, n.2 specularite1892 = specular iron ore at specular, adj. 3b. titanhaematite1938 A variety of haematite containing titanium. |
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