An extremely rare bismuth-cobalt-nickel arsenide mineral found in only a handful of locations, sought by serious mineral collectors.
From bismuto- (bismuth-related) combined with smaltite (a cobalt arsenide mineral). Smaltite itself comes from German 'Schmalte,' an old word for cobalt ore used in coloring glass.
Bismutosmaltite is so rare that the total amount found in human history could fit in your hand, yet it reveals how bismuth 'makes friends' with arsenic and cobalt in deep Earth chemistry!
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