<chemical>

A brittle mineral of a steel-gray colour and metallic luster, containing antimony, arsenic, sulphur, and nickel.

Origin: So named after J. C. Ullman, a German chemist.

(01 Mar 1998)

ulexite, uliginous, ullet, Ullmann, Emerich < Prev | Next > Ullmann's line, Ullmann's syndrome

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