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arsenmarcobaldiite

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Journal Article

Arsenmarcobaldiite, Pb 12 (As 3.2 Sb 2.8 ) Σ=6 S 21 , a new N = 3.5 jordanite homologue from the Sant’Anna tectonic window, Apuan Alps (Tuscany, Italy)

Cristian Biagioni, Yves Moëlo, Stefano Merlino, Marco Pasero, Werner H. Paar, Simone Vezzoni, Federica Zaccarini
Published: 01 September 2019
European Journal of Mineralogy (2019) 31 (5-6): 1067–1077.
DOI: https://doi.org/10.1127/ejm/2019/0031-2888
...Cristian Biagioni; Yves Moëlo; Stefano Merlino; Marco Pasero; Werner H. Paar; Simone Vezzoni; Federica Zaccarini The new mineral species arsenmarcobaldiite, Pb 12 (As 3.2 Sb 2.8 ) Σ=6 S 21 , occurs as black anhedral grains, up to 0.5 mm in size, with metallic lustre, associated with pyrite...
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Includes: Supplemental Content
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(a) <span class="search-highlight">Arsenmarcobaldiite</span>, black anhedral grains in quartz. (b) In reflected l...

(a) Arsenmarcobaldiite, black anhedral grains in quartz. (b) In reflected l...

Published: 01 September 2019
Fig. 1 (a) Arsenmarcobaldiite, black anhedral grains in quartz. (b) In reflected light, arsenmarcobaldiite shows polysynthetic twinning. (c) In back-scattered electron image showing the chemical homogeneity of arsenmarcobaldiite (Asm) and its association with quartz (Qtz), pyrite (Py), and baryte
Image
Projection in the As-Sb-Bi sub-system of various metalloid ratios within th...

Projection in the As-Sb-Bi sub-system of various metalloid ratios within th...

Published: 01 May 2018
Fig. 5 Projection in the As-Sb-Bi sub-system of various metalloid ratios within the jordanite homologous series. Homologues: N  = 3, pink squares (kirkiite); N  = 4, yellow triangles (jordanite and geocronite); N  = 3.5, lozenges (marcobaldiite and arsenmarcobaldiite). EPMA: microprobe
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Projection along c of the crystal structure of <span class="search-highlight">arsenmarcobaldiite</span>.

Projection along c of the crystal structure of arsenmarcobaldiite.

Published: 01 September 2019
Fig. 3 Projection along c of the crystal structure of arsenmarcobaldiite.
Image
Reflectance spectrum of <span class="search-highlight">arsenmarcobaldiite</span> in air (full circles), compared ...

Reflectance spectrum of arsenmarcobaldiite in air (full circles), compared ...

Published: 01 September 2019
Fig. 2 Reflectance spectrum of arsenmarcobaldiite in air (full circles), compared with that of marcobaldiite (open squares – data after Biagioni et al. , 2018 ).
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Modular organization of the crystal structure of <span class="search-highlight">arsenmarcobaldiite</span>. Altern...

Modular organization of the crystal structure of arsenmarcobaldiite. Altern...

Published: 01 September 2019
Fig. 4 Modular organization of the crystal structure of arsenmarcobaldiite. Alternating oblique N  = 3 and N  = 4 layers are separated by single slab TP of trigonal prismatic Pb and split As17a/As17b sites. The three shortest (Sb/As)–S and (Pb/Sb)–S bonds have been enhanced. Shaded ellipses
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Zig-zag rows of the two types of pseudo-quadratic columns in (a) arsenmarco...

Zig-zag rows of the two types of pseudo-quadratic columns in (a) arsenmarco...

Published: 01 September 2019
Fig. 5 Zig-zag rows of the two types of pseudo-quadratic columns in (a) arsenmarcobaldiite and (b) marcobaldiite. The three shortest (Sb/As)–S bonds have been enhanced, as well as those of the (Sb/Pb) mixed Sb9 (a) and Pb9 (b) site (with their Me –S bond distances). For clarity, Pb-rich atoms
Journal Article

Lead-antimony sulfosalts from Tuscany (Italy). XXII. Marcobaldiite, ∼Pb 12 (Sb 3 As 2 Bi) Σ6 S 21 , a new member of the jordanite homologous series from the Pollone mine, Valdicastello Carducci

Cristian Biagioni, Marco Pasero, Yves Moëlo, Federica Zaccarini, Werner H. Paar
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 581–592.
DOI: https://doi.org/10.1127/ejm/2018/0030-2710
...Fig. 5 Projection in the As-Sb-Bi sub-system of various metalloid ratios within the jordanite homologous series. Homologues: N  = 3, pink squares (kirkiite); N  = 4, yellow triangles (jordanite and geocronite); N  = 3.5, lozenges (marcobaldiite and arsenmarcobaldiite). EPMA: microprobe...
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New minerals and nomenclature modifications approved in 2016

U. Hålenius, F. Hatert, M. Pasero, S. J. Mills
Published: 01 October 2016
Mineralogical Magazine (2016) 80 (6): 1135–1144.
DOI: https://doi.org/10.1180/minmag.2016.080.085
... Magazine , 80 , 1135–1144. IMA No. 2016-045 Arsenmarcobaldiite Pb 12 (As 3.2 Sb 2.8 ) Σ6 S 21 Verzalla, between the Pollone and Monte Arsiccio mines, Apuan Alps, Tuscany, Italy (43°58.045′N, 10°16.678′E) Cristian Biagioni*, Stefano Merlino, Yves Moëlo, Marco Pasero, Werner H. Paar...
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Determination of the Crystal Structure and Redefinition of Tsugaruite, Pb 28 As 15 S 50 Cl, the First Lead-Arsenic Chloro-Sulfosalt

Cristian Biagioni, Luca Bindi, Koichi Momma, Ritsuro Miyawaki, Yoshitaka Matsushita, Yves Moëlo
Published: 20 December 2020
The Canadian Mineralogist (2021) 59 (1): 125–137.
DOI: https://doi.org/10.3749/canmin.2000005
... and the description of the new N = 3.5 homologues marcobaldiite and arsenmarcobaldiite ( Biagioni et al . 2018 , 2019 ), tsugaruite was re-examined on the basis of the crystal structure proposed by Matsushita et al . (2014) . Modular analysis of this model revealed a close relationship with a homologous series...
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