A monoclinic-prismatic bluish lead gray mineral containing antimony, lead, and sulfur.
Origin
Named in 1951 by Leonard Gascoigne Beryy, Joseph John Fahey and Edgar Herbert Bailey in honour of Stephen Clive Robinson (1911-1981), Canadianmineralogist with the Geological Survey of Canada who synthesized the mineral before it was found naturally.
Robinson +
Modern English dictionary
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