| Reference Type | Journal (article/letter/editorial) |
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| Title | Argentian mercurian tetrahedrite, a new variety, from the Chiprovtsi ore deposit, Western Stara-Planina mountains, Bulgaria |
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| Journal | Mineralogical Magazine |
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| Authors | Atanasov, Vassil At. | Author |
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| Year | 1975 (September) | Volume | 40 |
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| Issue | 311 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_40/40-311-233.pdf+ |
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| DOI | doi:10.1180/minmag.1975.040.311.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6869 | Long-form Identifier | mindat:1:5:6869:1 |
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| GUID | 0 |
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| Full Reference | Atanasov, Vassil At. (1975) Argentian mercurian tetrahedrite, a new variety, from the Chiprovtsi ore deposit, Western Stara-Planina mountains, Bulgaria. Mineralogical Magazine, 40 (311) 233-237 doi:10.1180/minmag.1975.040.311.03 |
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| Plain Text | Atanasov, Vassil At. (1975) Argentian mercurian tetrahedrite, a new variety, from the Chiprovtsi ore deposit, Western Stara-Planina mountains, Bulgaria. Mineralogical Magazine, 40 (311) 233-237 doi:10.1180/minmag.1975.040.311.03 |
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| In | (1975, September) Mineralogical Magazine Vol. 40 (311) Mineralogical Society |
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| Abstract/Notes | SummaryAn electron-probe microanalysis of tetrahedrite occurring together with the latest-deposited pyrite-cinnabar association in the Chiprovtsi lead-silver deposit yielded more than 16 wt. % Ag and more than 18 wt. % Hg. X-ray powder examination established an extremely large unit-cell edge, a 10.64±0.01 Å. Vickers microhardness 223 to 237 kg/mm2. The chemical formula derived on the basis of the analyses made is quite near to Cu6+(Cu+, Ag+)4(Hg,Zn)2(Sb,As)4S13. There is not any antiparallelism between Ag and Hg in tetrahedrite. The name proposed for all stages of simultaneous isomorphic replacement along the Cu+-Ag+ and Cu2+-Hg2+(Zn2+,Fe2+) directions is argentian mercurian tetrahedrite. The upper limits of the Ag and Hg content are expected to be Cu6Ag4Hg2(Sb,As)4S13. It is the six copper atoms (Cu4+;Cu22+), sited in the Laves’ polyhedra, that are replaced by Ag+ and Hg2+ respectively. |
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