Offretite R060767

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Record 109 of 459  

Name: Offretite
RRUFF ID: R060767
Ideal Chemistry: KCaMg(Si13Al5)O36·15H2O
Locality: Vinarice, Kladno, Czech Republic
Source: Michael Scott S101247 [view label]
Owner: RRUFF
Description: Colorless elongated hexagonal prisms
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
RRUFF ID: R060767.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.960.04)Σ=1Ca1.00(Mg0.95Fe2+0.05)Σ=1Si13.04Al4.96O36·15H2O
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R060767
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060767.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.290(6)Å    b: 13.290(6)Å    c: 7.572(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1158.2(6)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Offretite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Gonnard F (1890) Sur l'offrétite, espèce minérale nouvelle, Comptes Rendus de l'Académie des Sciences de Paris, 111, 1002-1003   [view file]

Fleischer M (1957) New mineral names, American Mineralogist, 42, 440-444   [view file]

Fleischer M (1967) New mineral names, American Mineralogist, 52, 1579-1589   [view file]

Sheppard R A, Gude A J (1969) Chemical composition and physical properties of the related zeolites offretite and erionite, American Mineralogist, 54, 875-886   [view file]

Coombs D S, Alberti A, Armbruster T, Artioli G, Colella C, Galli E, Grice J D, Liebau F, Mandarino J A, Minato H, Nickel E H, Passaglia E, Peacor D R, Quartieri S, Rinaldi R, Ross M, Sheppard R A, Tillmanns E, Vezzalini G, (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 1571-1606   [view file]

Gualtieri A, Artioli G, Passaglia E, Bigi S, Viani A, Hanson J C (1998) Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite, American Mineralogist, 83, 590-606   [view file]

Passaglia E, Artioli G, Gualtieri A (1998) Crystal chemistry of the zeolites erionite and offretite, American Mineralogist, 83, 577-589   [view file]

Saini-Eidukat B, Triplett J W (2014) Erionite and offretite from the Killdeer Mountains, Dunn County, North Dakota, U.S.A., American Mineralogist, 99, 8-15