Chalybite sentence example

chalybite
  • It is often associated with blende and pyrites, and with calcite, fluorspar, quartz, barytes, chalybite and pearlspar as gangue minerals; in the upper oxidized parts of the deposits, cerussite and anglesite occur as alteration products.

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  • In many cases it has been formed from other iron oxides, like haematite and magnetite, or by the alteration of pyrites or chalybite.

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  • Many deposits of limonite have been found, on being worked, to pass downwards into ferrous carbonate; and crystals of chalybite converted superficially into limonite are well known.

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  • Argillaceous brown iron ore is often known in Germany as Thoneisenstein; but the corresponding term in English (clay iron stone) is applied to nodular forms of impure chalybite.

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  • When limonite is dehydrated and deoxidized in the presence of carbonic acid, it may give rise to chalybite.

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  • It occurs in metalliferous veins, often in association with iron-pyrites, chalybite, blende, &c., and in Cornwall and Devon, where it is abundant, with cassiterite.

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  • In later life Oxford and Cambridge gave him their doctors' degrees; and in 1897 he was made lord rector of Glasgow Crystal of Chalybite.

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