a red to reddish brown mineral consisting of iron oxide hydroxide; often found in iron ores together with goethite
例句
The iron oxides in rock crystals are specularite, hematite and lepidocrocite. 晶体中铁氧化物包裹体为镜铁矿、赤铁矿、纤铁矿。
A widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite. 一种常见的氧化铁矿石,是针铁矿、赤铁矿和纤铁矿的混合物。
Goethite and lepidocrocite, both crystallizing in orthorhombic system, are the most common forms of iron(III) oxide-hydroxide and the most important mineral carriers of iron in soils. 针铁矿及鳞铁矿皆为斜方晶系的晶体;它们是氢氧化铁最常呈现的形式;也是铁在土壤中最重要的矿物媒介。