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metacinnabar

[ met-uh-sin-uh-bahr ]
/ ˌmɛt əˈsɪn əˌbɑr /
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noun Mineralogy.
a polymorph of cinnabar, black mercuric sulfide, HgS.
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Origin of metacinnabar

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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