[Ca0.59Sr0.17La0.08Ce0.07Pb0.07Ba0.02][Al2.61Fe0.02][(PO4)1.59(SO4)0.21(CO3)0.20][(OH)4.57(H2O)1.43] (Sr0.2Ca0.64La0.16Al2.68[PO4]1.6[CO3]0.2[SO4]0.2[OH]4.6[H2O]1.4) Crystal Structure
General Information
- Phase Label(s): Sr0.2Ca0.64La0.16Al2.68[PO4]1.6[CO3]0.2[SO4]0.2[OH]4.6[H2O]1.4
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): crandallite
- Pearson Symbol: hR99
- Space Group: 166
- Phase Prototype: Sr0.2Ca0.64La0.16Al2.68[PO4]1.6[CO3]0.2[SO4]0.2[OH]4.6[H2O]1.4
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Philips (determination of structural parameters), X-rays, Co Kα (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): carbonate, hydroxide, orthophosphate, sulfate, hydrate
- Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement, wRP = 0.107; RB = 0.027
- Sample Detail(s): crandallite sample from Guatemala, El Paten, Maya city of Tikal, electron microprobe analysis; (Ca0.59Sr0.17La0.08Ce0.07Pb0.07Ba0.02)(Al2.61Fe0.02[PO4]1.59[SO4]0.21[CO3]0.20)([OH]4.57[H2O]1.43)[Corganic]0.94, powder (determination of cell and structural parameters)
Substance Summary
- Standard Formula: Sr0.2Ca0.64La0.16Al2.68[PO4]1.6[CO3]0.2[SO4]0.2[OH]4.6[H2O]1.4
- Alphabetic Formula: Al2.68[CO3]0.2Ca0.64[H2O]1.4La0.16[OH]4.6[PO4]1.6[SO4]0.2Sr0.2
- Published Formula: [Ca0.59Sr0.17La0.08Ce0.07Pb0.07Ba0.02][Al2.61Fe0.02][(PO4)1.59(SO4)0.21(CO3)0.20][(OH)4.57(H2O)1.43]
- Refined Formula: Al2.80Ba0.02C0.20Ca0.59Ce0.07Fe0.03H7.38La0.08O14.36P1.48Pb0.07S0.20Sr0.17
- Wyckoff Sequence: 166,h3gec3
- Z Formula Units: 3
- 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_1226484
©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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