[Ca0.36Na0.06][Al0.01Mg5.57Fe2+0.01Mn0.96]Si8.02O23 (Na0.13Ca0.41Mg5.33Mn1.13Si8O22[OH]2 ht) 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; 4-circle (determination of structural parameters), X-rays, Mo Kα (determination of structural parameters)
- Phase Class(es): –
- Compound Class(es): hydroxide, silicate
- Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 1860 reflections; I > 0σ(I), R = 0.055
- Sample Detail(s): cummingtonite sample from U.S.A. New York, St. Lawrence County, Gouverneur district, single crystal, 0.04×0.09×0.18 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: Na0.1Ca0.4Mg5.55MnSi8O22[OH]2
- Alphabetic Formula: Ca0.4Mg5.55MnNa0.1O22[OH]2Si8
- Published Formula: [Ca0.36Na0.06][Al0.01Mg5.57Fe2+0.01Mn0.96]Si8.02O23
- Refined Formula: Ca0.38Fe0.02H2Mg5.56Mn0.98Na0.06O24Si8
- Wyckoff Sequence: 11,f17e5
- Z Formula Units: 2
- Density: ρ = 3.06 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_1715713
©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)
Cite this content