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The crystal structure of cianciulliite, Mn(Mg,Mn) (sub 2) Zn (sub 2) (OH) (sub 10) .2-4H (sub 2) O
Joel D. Grice and Pete J. Dunn
The crystal structure of cianciulliite, Mn(Mg,Mn) (sub 2) Zn (sub 2) (OH) (sub 10) .2-4H (sub 2) O
American Mineralogist (October 1991) 76 (9-10): 1711-1714
The crystal structure of cianciulliite, Mn(Mg,Mn) (sub 2) Zn (sub 2) (OH) (sub 10) .2-4H (sub 2) O
American Mineralogist (October 1991) 76 (9-10): 1711-1714
Index Terms/Descriptors
Latitude & Longitude
Abstract
The new species cianciulliite is monoclinic, C2/m, with a 15.405(3), b 6.344(1), c 5.562(2) Angstrom, beta 101.23(2) degrees, Z = 2. The crystal structure was solved by direct methods and refined to R = 4.0% using 675 observed X-ray diffractions. Solution of the structure was essential in determining the correct chemical composition of cianciulliite. It has two discrete (100) layers, a brucite-type layer and an H (sub 2) O layer. The brucite-type layer is formed of Mn and Mg octahedra, with the octahedral holes capped by ZnO (sub 4) tetrahedra. The apical OH of the Zn tetrahedra are H bonded to the H (sub 2) O layer.
ISSN: 0003-004X
EISSN: 1945-3027
Coden: AMMIAY
Serial Title: American Mineralogist
Serial Volume: 76
Serial Issue: 9-10
Title: The crystal structure of cianciulliite, Mn(Mg,Mn) (sub 2) Zn (sub 2) (OH) (sub 10) .2-4H (sub 2) O
Affiliation: Can. Mus. Nat., Miner. Sci Sect.,
Ottawa, ON,
Canada
Pages: 1711-1714
Published: 199110
Text Language: English
Publisher: Mineralogical Society of America,
Washington, DC,
United States
References: 10
Accession Number: 1991-056182
Categories: Mineralogy of non-silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
N41°04'60" - N41°10'00", W74°45'00" - W74°34'60"
Secondary Affiliation: Smithson. Inst.,
USA,
United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1991
