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xanthoconite

noun
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xan·​thoc·​o·​nite | \ zanˈthäkəˌnīt \
plural -s

Definition of xanthoconite

: a cochineal-red to orange-yellow to brown mineral Ag3AsS3 consisting of a silver arsenic sulfide and occurring in tabular crystals and often flat rhombohedrons — compare proustite

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History and Etymology for xanthoconite

German xanthokon xanthoconite (from xanth- + Greek konis dust) + English -ite; from the color of its streak powder

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Cite this Entry

“Xanthoconite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xanthoconite. Accessed 20 Jun. 2021.

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