(Na0.13Ca0.41Mg0.46Mn1.00)(Mg4.87Mn0.13)[Si8O22](OH)2 (Na0.13Ca0.41Mg5.33Mn1.13Si8O22[OH]2 ht, T = 673 K) Crystal Structure
General Information
- Phase Label(s): Na0.13Ca0.41Mg5.33Mn1.13Si8O22[OH]2 ht
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): cummingtonite
- Pearson Symbol: mS78
- Space Group: 12
- Phase Prototype: (Mg0.6Fe0.4)7Si8O22[OH]2
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, POLARIS (determination of structural parameters), neutrons, time-of-flight (determination of cell and structural parameters), T = 673 K (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): hydroxide, silicate
- Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, wRP = 0.0176
- Sample Detail(s): cummingtonite sample from U.S.A. New York, Talcville, electron microprobe analysis; composition determined, powder (determination of cell and structural parameters)
Substance Summary
- Standard Formula: Na0.13Ca0.41Mg5.33Mn1.13Si8O22[OH]2
- Alphabetic Formula: Ca0.41Mg5.33Mn1.13Na0.13O22[OH]2Si8
- Published Formula: (Na0.13Ca0.41Mg0.46Mn1.00)(Mg4.87Mn0.13)[Si8O22](OH)2
- Refined Formula: Ca0.41H2Mg5.32Mn1.14Na0.13O24Si8
- Wyckoff Sequence: 12,j7i2h2ga
- Z Formula Units: 2
- Density: ρ = 3.04 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1813162
©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016
Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland
SpringerMaterials Release 2016.
Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS
All Rights Reserved. Version 2016.10.
Project Coordinator: Shuichi Iwata
Section-Editor: Karin Cenzual (Crystal Structures)
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