Stibiosegnitite, Pb(Fe<sup>3+</sup><sub>2.5</sub>Sb<sup>5+</sup><sub>0.5</sub>)(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>6</sub>, a new member of the alunite supergroup from the Murzinskoe gold deposit, Altai Krai, Russia

The new mineral stibiosegnitite, ideally Pb(Fe 3+ 2.5 Sb 5+ 0.5 )(AsO 4 ) 2 (OH) 6 , was found in the Phosphatno-Arsenatnaya vein, at the 245 m level of the Southern open pit operating at the Murzinskoe gold deposit, Altai Krai, Western Siberia, Russia.In the holotype specimen, stibiosegnitite forms pseudo-cuboctahedral crystals up to 0.02 mm grouped in compact aggregates forming thick crust 8 6 cm in area on quartz-limonite matrix in association with malachite and pseudomalachite.The new mineral is olive-green, transparent to translucent with greenish-yellow streak.It is brittle with uneven fracture.Its lustre varies from adamantine in crystals to dull earthy in aggregates.Cleavage is distinct on {001} Mohs' hardness is ~4.

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Publication Details

Journal
Mineralogical Magazine
Published
2025-09-03
DOI
https://doi.org/10.1180/mgm.2025.10150
Primary Topic
Crystal Structures and Properties
Type
article
Field-Weighted Citation Impact
0.00

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article

Stibiosegnitite, Pb(Fe3+2.5Sb5+0.5)(AsO4)2(OH)6, a new member of the alunite supergroup from the Murzinskoe gold deposit, Altai Krai, Russia

Natalia V. Zubkova, Anatoly V. Kasatkin, Fabrizio Nestola, Dmitry I. Belakovskiy et al.
Mineralogical Magazine
Crystal Structures and Properties
article

Stibiosegnitite, Pb(Fe3+2.5Sb5+0.5)(AsO4)2(OH)6, a new member of the alunite supergroup from the Murzinskoe gold deposit, Altai Krai, Russia

Natalia V. Zubkova, Anatoly V. Kasatkin, Fabrizio Nestola, Dmitry I. Belakovskiy, Vladislav V. Gurzhiy, Atali A. Agakhanov, Radek Škoda, Н. В. Чуканов, Maria D. Milshina, Vladimir S. Lednev
article en

Abstract

The new mineral stibiosegnitite, ideally Pb(Fe 3+ 2.5 Sb 5+ 0.5 )(AsO 4 ) 2 (OH) 6 , was found in the Phosphatno-Arsenatnaya vein, at the 245 m level of the Southern open pit operating at the Murzinskoe gold deposit, Altai Krai, Western Siberia, Russia.In the holotype specimen, stibiosegnitite forms pseudo-cuboctahedral crystals up to 0.02 mm grouped in compact aggregates forming thick crust 8 6 cm in area on quartz-limonite matrix in association with malachite and pseudomalachite.The new mineral is olive-green, transparent to translucent with greenish-yellow streak.It is brittle with uneven fracture.Its lustre varies from adamantine in crystals to dull earthy in aggregates.Cleavage is distinct on {001} Mohs' hardness is ~4.

Mineralogical Magazine
State University of Management (RU), Russian Academy of Sciences (RU), University of Padua (IT), Altai State University (RU), St Petersburg University (RU), Lomonosov Moscow State University (RU), Masaryk University (CZ), Institute of Problems of Chemical Physics (RU), Altai Economics and Law Institute (RU), Altai Scientific Research Institute of Machine Building Technology (RU)
Saint Petersburg State University, Russian Science Foundation
Openalex Percentile: Top 85%
Crystal Structures and Properties
DOIOpen Access PDFOpenAlex
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