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The ericssonite group of Fe (super 3+) disilicate minerals

Elena Sokolova, Frank C. Hawthorne, Fernando Camara and Malcolm E. Back
The ericssonite group of Fe (super 3+) disilicate minerals
The Canadian Mineralogist (January 2018) 56 (1): 95-99


The ericssonite group contains two Fe (super 3+) disilicates with the ericssonite structure-type arrangement: ericssonite, BaMn (sub 2) Fe (super 3+) (Si (sub 2) O (sub 7) )O(OH), and ferroericssonite, BaFe (super 2+) (sub 2) Fe (super 3+) (Si (sub 2) O (sub 7) )O(OH) (Memorandum 78-SM/17). Ericssonite has two polytypes, of monoclinic symmetry and orthorhombic symmetry. The crystal chemistry of the ericssonite-group minerals and bafertisite- and lamprophyllite-group minerals (seidozerite supergroup) is compared. Ericssonite and ferroericssonite do not contain the combination of features that would allow them to belong to any group of the seidozerite supergroup and hence require a completely separate group.

ISSN: 0008-4476
EISSN: 1499-1276
Coden: CAMIA6
Serial Title: The Canadian Mineralogist
Serial Volume: 56
Serial Issue: 1
Title: The ericssonite group of Fe (super 3+) disilicate minerals
Affiliation: University of Manitoba, Department of Geological Sciences, Winnipeg, MB, Canada
Pages: 95-99
Published: 201801
Text Language: English
Publisher: Mineralogical Association of Canada, Ottawa, ON, Canada
References: 26
Accession Number: 2018-033713
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables
Secondary Affiliation: Universita degli Studi di Milano, ITA, ItalyRoyal Ontario Museum, CAN, Canada
Country of Publication: Canada
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Abstract, copyright, Mineralogical Association of Canada. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201808
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