Ironstone definition

īərn-stōn
A hard white pottery.
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A rock containing enough iron to permit commercial extraction; an iron ore.
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Any rock rich in iron.
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A hard variety of white ceramic ware.
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Any ore of iron which is impure through the admixture of silica or clay.
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Other Word Forms

Noun

Singular:
ironstone
Plural:
ironstones

Ironstone Sentence Examples

  • Ironstone is not extensively wrought, but, on account of the abundant supply of coal, large quantities are imported for smelting purposes.

  • We may mention also graphiticschists containing dark scaly graphite (often altered forms of carbonaceous shales), and haematite-schists which may represent beds of ironstone.

  • The mineral wealth of Saxe-Coburg-Gotha is insignificant, small quantities of coal, lignite, ironstone and millstone being annually raised.

  • West of the volcanic region, nearer to Lake Victoria and the Eastern province, ironstone, granite, gneiss and schistose formations predominate, with phonolite in places.

  • The rocks in the Arakan range and its spurs are metamorphic, and comprise clay, slates, ironstone and indurated sandstone; towards the S., ironstone, trap and rocks of basaltic character are common; veins of steatite and white fibrous quartz are also found.

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