| Reference Type | Journal (article/letter/editorial) |
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| Title | Coupled substitutions in goldfieldite–tetrahedrite minerals from the Iriki mine, Japan |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Shimizu, Masaaki | Author |
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| Stanley, Chris J. | Author |
| Year | 1991 (December) | Volume | 55 |
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| Issue | 381 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_55/55-381-515.pdf+ |
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| DOI | doi:10.1180/minmag.1991.055.381.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1761 | Long-form Identifier | mindat:1:5:1761:3 |
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| GUID | 0 |
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| Full Reference | Shimizu, Masaaki, Stanley, Chris J. (1991) Coupled substitutions in goldfieldite–tetrahedrite minerals from the Iriki mine, Japan. Mineralogical Magazine, 55 (381) 515-519 doi:10.1180/minmag.1991.055.381.03 |
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| Plain Text | Shimizu, Masaaki, Stanley, Chris J. (1991) Coupled substitutions in goldfieldite–tetrahedrite minerals from the Iriki mine, Japan. Mineralogical Magazine, 55 (381) 515-519 doi:10.1180/minmag.1991.055.381.03 |
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| In | (1991, December) Mineralogical Magazine Vol. 55 (381) Mineralogical Society |
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| Abstract/Notes | AbstractChemical compositions of goldfieldite-tetrahedrite series minerals from the Iriki mine in Japan are reported for the frst time. The compositional variations of coexisting goldfieldite [atomic proportion Te > (Sb + As + Bi)], tellurian tetrahedrite [Sb > (Te + As + Bi)], and Te-free tetrahedrite from this locality are considered alongside data from the literature. These show that the substitution of (Sb, As)3+ for Te4+ in natural goldfieldite-tetrahedrite series minerals occurs by the following two mechanisms: (i) tetrahedrite, and goldfieldite, form a continuous solid-solution according to the coupled substitution of Cu+Te4+ for (Cu,Fe,Zn)2+(Sb,As)3+, and (ii) goldfieldite, and the ideal end-member, might also form a continuous solid-solution by the coupled substitution of ☐(vacancy)Te4+ for Cu+(Sb,As)3+. According to this work, the general formulae of tellurian tetrahedrite and goldfieldite are, therefore, respectively, , with x = 0 to 2 and , with y = 0 to 2. |
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