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Single-crystal structure refinement of synthetic M4K-substituted potassic richterite K(KCa)Mg5Si8O22(OH)2
Single-crystal structure refinement M4 potassic richterite
2012/3/31
The crystal structure of a potassic richterite, K(KCa)Mg Si O (OH) synthesized at 15 GPa and
1400 ?C, was refined from single-crystal X-ray diffraction data. The unit-cell parameters are: a =
10.192...
A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join
Rietveld infrared study synthetic amphiboles potassium-richterite-tremolite join
2012/4/5
Amphibolesweresynthesizedat750 C,1kbar(H O)forcompositionsat20%intervalsalongthejoinpotassium-richterite¤Ctremolite.Structuralvariations,siteoccupancies,an
modalanalysesoftheexperimentalproducts(amph...
Site occupancies in synthetic monoclinic amphiboles: Rietveld structure refinement and infrared spectroscopy of (nickel, magnesium, cobalt)-richterite
Site occupancies synthetic monoclinic amphiboles Rietveld structure refinement infrared spectroscopy nickel magnesium cobalt richterite
2012/4/5
Amphibolesweresynthesizedat750C,1kbar(H O)onthebinaryjoins(nickel,
magnesium)-richteriteand(magnesium,cobalt)-richterite.Structuralvariationsandsiteoc-
cupancieswerecharacterizedbyRietveldstructurer...
Short-range disorder of Si and Ti in the tetrahedral double-chain unit of synthetic Ti-bearing potassium-richterite
Short-range disorder Si Ti double-chain unit of synthetic Ti-bearing potassium-richterite
2012/4/5
Ti-rich potassium-richterite samples weresynthesized at 900°C and 1kbar PH20and characterized by Fourier-transform infrared spectroscopy (FTIR) and Rietveld structure refinement. The infrared spectrum...
