KAlSi3O8 Crystal Structure
General Information
- Phase Label(s): KAlSi3O8 san
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): sanidine
- Pearson Symbol: mS52
- Space Group: 12
- Phase Prototype: K(Al0.25Si0.75)4O8
- Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): silicate
- Interpretation Detail(s): complete structure determined, 1074 reflections; F > 4σ(F), R = 0.046
- Sample Detail(s): adularia sample from Switzerland, Graubünden (Grisons), electron microprobe analysis; 64.92 wt.% SiO2, 18.61 wt.% Al2O3, 14.49 wt.% K2O, 1.29 wt.% Na2O, single crystal (determination of cell parameters), single crystal, 0.12 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: KAlSi3O8
- Alphabetic Formula: AlKO8Si3
- Published Formula: KAlSi3O8
- Refined Formula: Al1.02KO8Si2.98
- Wyckoff Sequence: 12,j5i2g
- Z Formula Units: 4
- Density: ρ = 2.58 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Anisotropic
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1615656
©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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