"Cobaltous" is a word in ENGLISH

cobaltous ENGLISH
Definition:

Pertaining to, derived from, or containing, cobalt; --
said esp. of cobalt compounds in which the metal has its lower valence.

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cobaltic ENGLISH

Pertaining to, derived from, or containing, cobalt; -- said especially of those compounds in which cobalt has higher valence; as, …

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luteocobaltic ENGLISH

Pertaining to, or designating, certain compounds of cobalt having a yellow color. Cf. Cobaltic.

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slaggy ENGLISH

Of or pertaining to slag; resembling slag; as, slaggy cobalt.

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