.... The crystal structure of fuettererite ( R 1 = 0.031 for 971 reflections with F o > 4σ F ) contains edge-sharing sheets of CuO 5 Cl and TeO 6 octahedra. These sheets are virtually identical to that in the structure of spangolite, but in fuettererite they are linked together to form a double sheet...

...Frank C. Hawthorne; Mitsuyoshi Kimata; Raymond K. Eby Abstract The crystal structure of spangolite, Cu 6 Al(SO 4 )(OH) 12 Cl·3H 2 O, trigonal, a = 8.254(4) Å, c = 14.354(8) Å, V = 846.8(8) Å 3 , space group = P 31 c , has been solved by direct methods and refined to an R index of 6.5% using Mo K α...

...Clifford Frondel Abstract Spangolite is shown by x -ray Weissenberg and morphological study to be ditrigonal-pyramidal (3 m ) in crystallization. Unit cell dimensions: a 0 = 8.245 Å C 0 = 14.34; a 0 : c 0 = 1:1.739. Cell contents: Cu 12 Al 2 (S0 4 ) 2 (0H) 24 Cl 2 · 6H 2 O. Transformation...

... their statistically possible positions; in the real structure, however, only one half of those positions can be really occupied. The new mineral is structurally related to posnjakite, wroewolfeite, langite, and spangolite. On the other hand, its structure is significantly different from that of redgillite Cu 6 (SO 4...

... with the Cu layer and link the layers by hydrogen bonds to OH groups. The crystal structures of wroewolfeite, langite, posnjakite, spangolite and schulenbergite are similar to redgillite. They all contain edge sharing CuO 6 layers connected to SO 4 groups with the layers bridged via hydrogen bonds...

..., pharmacosiderite, arthurite, metazeunerite, chrysocolla, spangolite, chalcophyllite, malachite, azurite, chalcanthite, and bronchantite. Copyright © 1978 by the Mineralogical Society of America 1978 ...

... ( Mellini & Merlino 1979 ); wroewolfeite, Cu 2 (SO 4 )(OH) 6 ·2H 2 O ( Hawthorne & Groat 1985 ); spangolite, Cu 6 Al(SO 4 )Cl(OH) 12 ·3H 2 O ( Merlino et al . 1992 , Hawthorne et al . 1993 ); schulenbergite, [(Cu,Zn) 7 (OH) 10 (SO 4 ) 2 ·3H 2 O ( Mumme et al . 1994 ); and montetrisaite, Cu 6 (SO...

... dimensions when it was noted that the a parameter is very similar to those of spangolite (Cu 6 Al(SO 4 )(OH) 12 Cl.3H 2 O, P 31 c , a = 8.254 Å and c = 14.354 Å; Hawthorne et al. , 1993 ) and fuettererite (Pb 3 Cu 6 Te 6+ O 6 (OH) 7 Cl 5 , R 3, a = 8.404 Å and c = 44.681 Å; Kampf et al...

... in minerals such as spangolite, Cu 6 Al(OH) 12 (SO 4 )Cl·3H 2 O ( Hawthorne et al . 1993 ). Incorporation of the sulfate group into the “brucite” layer explains the contraction of the jamborite interlayer space relative to honessite, in which a completely separate sulfate tetrahedron is linked...

... Mineralogist , 38 , 751 – 761 . Hawthorne , F.C. , Kimata , M. and Eby , R.K. ( 1993 ) The crystal structure of spangolite, a complex copper sulfate sheet mineral . American Mineralogist , 78 , 649 – 652 . Hawthorne , F.C. , Krivovichev , S.V. and Burns , P.C...

... a superficial resemblance to the sulfate members of the hydrotalcite supergroup (Mills et al ., 2012 ), however, in hydrotalcites SO 4 tetrahedra do not bond directly onto the brucite layer. Therefore, the gordaite–thérèsemagnanite structure is more closely related to minerals such as spangolite, Cu 6 Al(OH...

... was not derived by the topological enumeration described above as its connectivity is only possible where every seventh octahedron position (marked with broken lines in Fig. 4 ) is vacant or occupied by another kind of polyhedron. Sheets homeomorphic to graph 4b occur in spangolite, sabelliite, gordaite...

... such as chalcoalumite, cyanotrichite, spangolite, and some potential end-members such as brochantite, posnjakite, or aluminite ( Fig. 9b ). Among them, chalcoalumite and spangolite with the highest H 2 O moieties (H 2 O + OH) content (and, to some extent, chalcophyllite Cu 18 Al 2 (AsO 4 ) 4 (SO 4 ) 3 (OH) 24 ⋅36 H 2 O...

..., known as the Copper Stope. Secondary minerals found in or near the Copper Stope are: arthurite, azurite, brochantite, chalcanthite, chalcophyllite, chrysocolla, clinoclase, cornwallite, malachite, metazeunerite, pharmacosiderite, olivenite, scorodite, spangolite and strashimirite. The Cap Garonne...

...-Ferroni R. ( 1992 ) Crystal structure refinements of spangolite, a hydrated basic sulphate of copper and aluminum, from three different occurrences . Neues Jahebuch für Mineralogie Monatshefte, H , 8 , 349 – 357 . Nickel E. ( 1976 ) New data on woodwardite . Mineralogical Magazine...

... The Se analogue of spangolite How to cite: Krivovichev, S.V., Yakovenchuk, V.N., Panikorovskii, T.L., Savchenko, E.E., Pakhomovsky, Y.A., Mikhailova, J.A., Selivanova, E.A., Kadyrova, G.I. and Ivanyuk, G.Y. (2019) Nikmelnikovite, IMA 2018-043. CNMNC Newsletter No. 47, February 2019, page 144...

... San Pedro, Cuesta de Los Llantenes mining district, NW Jagüé, Vinchina Department, La Rioja Province, Argentina (28°20-40′S, 68°30-45′W) Christian L. Lengauer*, Martin Ende, Dan Topa, Raúl Lira and Werner H. Paar *E-mail: [email protected] The Se analogue of spangolite Trigonal: P...