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Données nouvelles sur la Schuilingite de Shinkolobwe (Shaba, Zaïre), carbonate hydraté de plomb, cuivre et de terres rares

Publication date1983
Abstract

Schuilingite from Shinkolobwe (Shaba, Zaïre) associated with malachite, cerusite, talcchlorite, bornite, garnet, wulfenite, kasolite, native gold and gysinite, a new mineral with the formula Pb(Nd,La)(C0₃)₂(OH) • H₂O, is described. Orthorhombic (-) with α = 1.730, β = 1.770, γ = 1.795, schuilingite is transparent with an adamantine lustre. The cell parameters are: a = 7.43, b = 18.89, c = 6.40 Å. The space group is Pmcn. With Z = 2 and using the idealized formula, the calculated specific gravity is 4.59. Prominent X-ray diffraction lines (obs) occurs at: 9.46 Å (100) (020), 6.06 (90) (011), 4.797 (50) (130), 4.718 (60) (040), 4.487 (90) (031), 3.849 (90) (131), 2.932 (50) (240), 2.636 (40) (042) (161). Differences with other schuilingites are discussed.

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Citation (ISO format)
SARP, Halil, BERTRAND, Jean, DEFERNE, Jacques. Données nouvelles sur la Schuilingite de Shinkolobwe (Shaba, Zaïre), carbonate hydraté de plomb, cuivre et de terres rares. In: Schweizerische mineralogische und petrographische Mitteilungen, 1983, vol. 63, n° 1, p. 1–6. doi: 10.5169/seals-48719
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ISSN of the journal0036-7699
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