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scainiite

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Journal Article

Lead-antimony sulfosalts from Tuscany (Italy) : II - Crystal structure of scainiite, Pb 14 Sb 30 S 54 O 5 , an expanded monoclinic derivative of Ba 12 Bi 24 S 48 hexagonal sub-type (zinkenite group)

Yves MOËLO, Alain MEERSCHAUT, Paolo ORLANDI, Pierre PALVADEAU
Published: 01 July 2000
European Journal of Mineralogy (2000) 12 (4): 835–846.
DOI: https://doi.org/10.1127/0935-1221/2000/0012-0835
...Yves MOËLO; Alain MEERSCHAUT; Paolo ORLANDI; Pierre PALVADEAU Abstract The crystal structure of scainiite, Pb 14 Sb 30 S 54 O 5 , has been solved from single-crystal X-ray data and refined to an R index of 8.9 % based on 3703 unique reflections. The structure is monoclinic C 2/ m , with cell...
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Lead-antimony sulfosalts from Tuscany (Italy); I, Scainiite, Pb 14 Sb 30 S 54 O 5 , the first Pb-Sb oxy-sulfosalt, from Buca della Vena Mine

Paolo Orlandi, Yves Moelo, Alain Meerschaut, Pierre Palvadeau
Published: 01 December 1999
European Journal of Mineralogy (1999) 11 (6): 949–954.
...Paolo Orlandi; Yves Moelo; Alain Meerschaut; Pierre Palvadeau Abstract The new mineral scainiite, Pb 14 Sb 30 S 54 O 5 , the first lead oxy-sulfosalt, has been found at Buca della Vena mine in the Apuan Alpes, northern Tuscany, Italy. Scainiite occurs as black acicular crystals with bluish metallic...
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Derivation of the crystal structure of pellouxite from that of <span class="search-highlight">scainiite</span>. a...

Derivation of the crystal structure of pellouxite from that of scainiite. a...

Published: 01 September 2004
Fig. 7. Derivation of the crystal structure of pellouxite from that of scainiite. a. The complex rod-layer of scainiite, where specific atom positions, absent in pellouxite, are designed as empty circles. b. The complex rod-layer of pellouxite, where empty circles correspond to new atom positions
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Back-scattered photographs of chovanite, dadsonite (in c), boulangerite, ro...

Back-scattered photographs of chovanite, dadsonite (in c), boulangerite, ro...

Published: 01 August 2012
Fig. 2 Back-scattered photographs of chovanite, dadsonite (in c), boulangerite, robinsonite, scainiite, quartz and embedding material (both black). (a) Chovanite (medium grey “matrix”) extensively replaces boulangerite (light), robinsonite (dark needles) and scainiite (very dark needles); Dúbrava
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Marrucciite structure ( M ): Cut-off along surfaces of weakest bonding, del...

Marrucciite structure ( M ): Cut-off along surfaces of weakest bonding, del...

Published: 01 March 2007
of scainiite ( Moëlo et al. , 2000 ). Grey area in scainiite represents the intercalated kermesite-type ribbon. Other crystal chemical differences at the margin are marked by doted circles ( M : half a Hg atom) and ellipses ( S : SbSO 0.5 ).
Journal Article

THE CRYSTAL STRUCTURE OF SULFOSALTS WITH THE BOXWORK ARCHITECTURE AND THEIR NEW REPRESENTATIVE, Pb 15−2 x Sb 14+2 x S 36 O x

Emil Makovicky, Dan Topa
Published: 01 February 2009
The Canadian Mineralogist (2009) 47 (1): 3–24.
DOI: https://doi.org/10.3749/canmin.47.1.3
... sulfosalts, scainiite, pillaite, pellouxite, rouxelite, a synthetic Mn–Pb sulfosalt, and Pb 15−2 x Sb 14+2 x S 36 O x described in this study, depend on the presence of minor amounts of oxygen in the structures. Oxygen forms a part of a kermesite-like configuration that generates a pronounced change...
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Lead-antimony sulfosalts from Tuscany (Italy). IX. Marrucciite, Hg 3 Pb 16 Sb 18 S 46 , a new sulfosalt from Buca della Vena mine, Apuan Alps: Definition and crystal structure

Paolo Orlandi, Yves Moëlo, Italo Campostrini, Alain Meerschaut
Published: 01 March 2007
European Journal of Mineralogy (2007) 19 (2): 267–279.
DOI: https://doi.org/10.1127/0935-1221/2007/0019-1718
... of scainiite ( Moëlo et al. , 2000 ). Grey area in scainiite represents the intercalated kermesite-type ribbon. Other crystal chemical differences at the margin are marked by doted circles ( M : half a Hg atom) and ellipses ( S : SbSO 0.5 ). ...
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Atomic coordinates and equivalent/isotropic displacement parameters U(eq/is...

Atomic coordinates and equivalent/isotropic displacement parameters U(eq/is...

Published: 01 July 2000
Table 1. Atomic coordinates and equivalent/isotropic displacement parameters U(eq/iso) in the crystal structure of scainiite.
Journal Article

Lead-antimony sulfosalts from Tuscany (Italy). VII. Crystal structure of pellouxite, ∼ (Cu,Ag) 2 Pb 21 Sb 23 S 55 ClO, an expanded monoclinic derivative of Ba 12 Bi 24 S 48 hexagonal sub-type (zinkenite group)

Pierre PALVADEAU, Alain MEERSCHAUT, Paolo ORLANDI, Yves MOËLO
Published: 01 September 2004
European Journal of Mineralogy (2004) 16 (5): 845–855.
DOI: https://doi.org/10.1127/0935-1221/2004/0016-0845
...Fig. 7. Derivation of the crystal structure of pellouxite from that of scainiite. a. The complex rod-layer of scainiite, where specific atom positions, absent in pellouxite, are designed as empty circles. b. The complex rod-layer of pellouxite, where empty circles correspond to new atom positions...
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Lead-antimony sulfosalts from Tuscany (Italy). IV. Crystal structure of pillaite, Pb 9 Sb 10 S 23 CIO 0.5 , an expanded monoclinic derivative of hexagonal Bi(Bi 2 S 3 ) 9 I 3 , from the zinkenite group

Alain MEERSCHAUT, Pierre PALVADEAU, Yves MOËLO, Paolo ORLANDI
Published: 01 July 2001
European Journal of Mineralogy (2001) 13 (4): 779–790.
DOI: https://doi.org/10.1127/0935-1221/2001/0013-0779
... structure is organized around pseudo-threefold axes where chlorine atoms are in a trigonal prismatic coordination with Pb atoms. An oxygen position, half-filled, is bonded to two Sb atoms, like in scainiite. Pairs of pseudo-trigonal rods parallel to the elongation b-direction are connected along [102̄...
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Lead-antimony sulfosalts from Tuscany (Italy). III. Pillaite, Pb 9 Sb 10 S 23 ClO 0.5 , a new Pb-Sb oxy-chloro-sulfosalt, from Buca della Vena mine

Paolo ORLANDI, Yves MOËLO, Alain MEERSCHAUT, Pierre Palvadeau
Published: 01 May 2001
European Journal of Mineralogy (2001) 13 (3): 605–610.
DOI: https://doi.org/10.1127/0935-1221/2001/0013-0605
... Fe-Ba ore, together with many Pb-Sb sulfosalts, among which the oxy-sulfosalt scainiite. Pillaite occurs as black acicular crystals with metallic lustre, elongated // [010], up to 1 cm long and less than 0.1 mm thick. The mineral is brittle, opaque; VHN 50 = 175 kg/mm 2 , d calc = 5.77 g/cm 3...
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Oxygen atoms in the structure of <span class="search-highlight">scainiite</span>: coordination, bond lengths (Å)...

Oxygen atoms in the structure of scainiite: coordination, bond lengths (Å)...

Published: 01 July 2000
Table 3. Oxygen atoms in the structure of scainiite: coordination, bond lengths (Å), bond valences and angles. Σbv: bond valence sum.
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The crystal structure of <span class="search-highlight">scainiite</span> ( Moëlo et al. 2000 ) with a high con...

The crystal structure of scainiite ( Moëlo et al. 2000 ) with a high con...

Published: 01 February 2009
F ig . 3. The crystal structure of scainiite ( Moëlo et al. 2000 ) with a high concentration of “kermesite-like configurations” along (001) planes, in continuation of “horizontal” interspaces. Oxygen is shown in light blue.
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Projection of the <span class="search-highlight">scainiite</span> crystal structure along b (half-unit-cell c ...

Projection of the scainiite crystal structure along b (half-unit-cell c ...

Published: 01 July 2000
Fig. 1. Projection of the scainiite crystal structure along b (half-unit-cell c x a / 2 ), with atom labelling according to Table 1 . Increasing atom size: O (full circle), S, Sb, (Pb, Sb) and Pb (empty circles). Labelled atoms have y = 0 (Position 4i ), or ∼1/4 (position 8j ).
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Organization of the <span class="search-highlight">scainiite</span> crystal structure around lone-electron-pair m...

Organization of the scainiite crystal structure around lone-electron-pair m...

Published: 01 July 2000
Fig. 2. Organization of the scainiite crystal structure around lone-electron-pair micelles (projection along b ). Increasing atom size: O (full circle), S (empty circle), Sb (light grey), (Pb, Sb) (crossed hatched) and Pb (medium grey). Thick lines (left part): rods A and B. C1 and C2: long
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Extended projection along b of the structure of <span class="search-highlight">scainiite</span>, indicating two...

Extended projection along b of the structure of scainiite, indicating two...

Published: 01 July 2000
Fig. 5. Extended projection along b of the structure of scainiite, indicating two types of zig-zag surfaces of weak bonding. The two solid lines delimitate one (201) rod-layer; the central dashed one separates the two constituting sub-layers. Grey triangles represent the sulfur hemi-octahedra
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a: Selection of six pseudo-ternary cyclic rods in <span class="search-highlight">scainiite</span> structure, toge...

a: Selection of six pseudo-ternary cyclic rods in scainiite structure, toge...

Published: 01 July 2000
Fig. 7. a: Selection of six pseudo-ternary cyclic rods in scainiite structure, together with suppression of a central, kermesite-type rod (empty lozenge). Dashed lines indicate the gliding surface, and arrows, the 2Q-compression direction. b: Result of the compression. The central hexagon
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a: Selection of six pseudo-ternary cyclic rods in <span class="search-highlight">scainiite</span> structure, toge...

a: Selection of six pseudo-ternary cyclic rods in scainiite structure, toge...

Published: 01 July 2000
Fig. 7. a: Selection of six pseudo-ternary cyclic rods in scainiite structure, together with suppression of a central, kermesite-type rod (empty lozenge). Dashed lines indicate the gliding surface, and arrows, the 2Q-compression direction. b: Result of the compression. The central hexagon
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Lead oxy-(chloro)-sulfosalts with waffle-type organization. From top to bot...

Lead oxy-(chloro)-sulfosalts with waffle-type organization. From top to bot...

Published: 01 August 2017
Fig. 9. Lead oxy-(chloro)-sulfosalts with waffle-type organization. From top to bottom: synthetic (Pb,Mn,Sb) oxy-chloro-sulfide, pillaite, scainiite, pellouxite and chovanite. Layer junctions according to the SnS archetypes are indicated, as well as internal ones, when present.
Journal Article

Lead-antimony sulfosalts from Tuscany (Italy). VI. Pellouxite, ∼ (Cu,Ag) 2 Pb 21 Sb 23 S 55 ClO, a new oxy-chloro-sulfosalt from Buca della Vena mine, Apuan Alps

Paolo ORLANDI, Yves MOËLO, Alain MEERSCHAUT, Pierre PALVADEAU, Philippe LEONE
Published: 01 September 2004
European Journal of Mineralogy (2004) 16 (5): 839–844.
DOI: https://doi.org/10.1127/0935-1221/2004/0016-0839
... Pb 21-x Sb 23+x S 55 ClO (x = 0.12; d calc. = 5.97 g/cm 3 ), derived from the stoichiometric one (Cu,Ag) 2 Pb 21 Sb 23 S 55 ClO. Pellouxite, structurally related to scainiite, is an expanded monoclinic derivative of synthetic hexagonal Ba 12 Bi 24 S 48 . It belongs to the zinkenite group of lead...
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