glau·co·dot \ˈglȯkəˌdät\noun alsoglau·co·dote\-dōt\ (-s) Etymology: German glaukodot, from glauk- glauc- + -dot (from Greek dotēr giver, from didonai to give) — more at date : a mineral (Co,Fe)AsS consisting of a grayish white metallic-looking cobalt iron sulfarsenide occurring in orthorhombic crystals or massive (hardness 5, specific gravity 5.9-6.0)