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Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 Journal (article/letter/editorial)
ZW01 Vaughanite Tl[Hg1+]Sb4S7 CA01 2638 2621 _Aktashite_§ Cu6[Hg2+]3As4S12 CA01, CN05, FR03, IR01, KG01...age of primary mineralization listed here. § Aktashite and arzakite are inadequately described species...systems of _west_-central California. This important mining district, including the New Almadén mine in Santa...Santa Clara County and the New Idria mine in San Benito County (two of the world’s largest mercury producers)...producers), represents a single mineralized province with ages restricted to the last 5.3 million years (Bailey