syepooriten.
/ˈsʌɪpʊərʌɪt/ Mineralogy.
A native sulphide of cobalt, of a steel-grey colour inclining to yellow.
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the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > cobaltite group > cobalt sulpharsenide
grey cobalt1728
syepoorite1849
cobaltite1868
1849 J. Nicol Man. Mineral. 458 Syepoorite. This name may be given to a sulphuret of cobalt,..found in primary rocks with pyrite and chalcopyrite at Syepoore near Rajpootanah.
This entry has not yet been fully updated (first published 1919; most recently modified version published online December 2019).
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n.1849