platiniridium

noun
plat·​in·​iridium | \ ¦platᵊn+\

Definition of platiniridium

: a mineral consisting of a natural alloy of iridium with platinum and other related metals occurring usually in silver-white grains (hardness 6–7, specific gravity, 22.6–22.8)

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History and Etymology for platiniridium

platin- + iridium

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