brown haematite: a mineral of a brown or brownish-yellow colour, consisting of hydrated sesquioxide of iron; also called limonite.
| 单词 | θ6734 |
| 释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > corundum group A2 03 > haematite > brown haematite or limonite (6) brown haematite1816 brown haematite: a mineral of a brown or brownish-yellow colour, consisting of hydrated sesquioxide of iron; also called limonite. brown ochre1823 a variety of limonite; also the pigment prepared from it. limonite1823 A name at first confined to bog iron ore, but now extended to include all forms of hydrous sesqui-oxide of iron, containing about 15 per cent. of… stilpnosiderite1823 ‘An obsolete synonym of limonite, n.’ (Chester). turgite1850 A hydrous sesquioxide of iron, allied to limonite but containing less water. rubio1877 Limonite mined in northern Spain. |
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