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GEOREF RECORD

Rosiaite, PbSb (sub 2) O (sub 6) , a new mineral from the Cetine Mine, Siena, Italy

Riccardo Basso, Gabriella Lucchetti, Livio Zefiro and Andrea Palenzona
Rosiaite, PbSb (sub 2) O (sub 6) , a new mineral from the Cetine Mine, Siena, Italy
European Journal of Mineralogy (June 1996) 8 (3): 487-492

Abstract

Rosiaite occurs at the Cetine di Cotorniano Sb mine (formerly the Rosia mine), associated with valentinite, tripuhyite, bindheimite and a phase corresponding with the synthetic beta -Sb (sub 2) O (sub 4) polymorph of cervantite. It appears generally as aggregates of minute tabular 0001 crystals with hexagonal outline, and is colourless to pale yellow, with epsilon 1.920, Omega 2.092; EPMA results reveal compositional homogeneity and a quasi-ideal composition. Indexed XRD powder data are tabulated; strongest lines 3.49(vs), 2.648(m), 2.110(w), 1.887(w) Aa; a 5.295, c 5.372 Aa; Z = 1, space group P<$E 3 back 40 up 40 ->1m. The crystal structure has been refined to R 0.033, confirming that rosiaite is the natural analogue of synthetic PbSb (sub 2) O (sub 6) . The approximately hexagonal close-packed structure shows a pattern of occupied octahedral sites identical to that of synthetic compounds such as Li (sub 2) ZrF (sub 6) , Li (sub 2) NbOF (sub 5) and several double hexaoxides of Sb or As.


ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 8
Serial Issue: 3
Title: Rosiaite, PbSb (sub 2) O (sub 6) , a new mineral from the Cetine Mine, Siena, Italy
Affiliation: Universita di Genova, Dipartimento di Scienze della Terra, Genoa, Italy
Pages: 487-492
Published: 199606
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 23
Accession Number: 1996-047198
Categories: Mineralogy of non-silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: 5 tables
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199616
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