First finding of tiemannite, HgSe, in human bladder stones: An electron microprobe study

•Tiemannite, HgSe, was discovered, for the first time, in the human body.•Its crystallization is in equilibrium with the host bladder stone, mainly composed of struvite.•Tiemannite is classified as an endogenous biomineral, formed in the human body.•The precipitation of tiemannite in the human body...

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Veröffentlicht in:Micron (Oxford, England : 1993) England : 1993), 2020-11, Vol.138, p.102928-102928, Article 102928
Hauptverfasser: Moser, Reinhard, Zaccarini, Federica, Alber, Thomas, Kerbl, Reinhold
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Sprache:eng
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Zusammenfassung:•Tiemannite, HgSe, was discovered, for the first time, in the human body.•Its crystallization is in equilibrium with the host bladder stone, mainly composed of struvite.•Tiemannite is classified as an endogenous biomineral, formed in the human body.•The precipitation of tiemannite in the human body can be considered a detoxification process. Human bladder stones, surgically removed from a 4 years old boy, were studied by X-ray diffraction (XRD) and by electron microprobe analyses (EPMA). XRD data show that the bladder stones are mainly composed of struvite with minor apatite. Tiny particles,
ISSN:0968-4328
1878-4291
DOI:10.1016/j.micron.2020.102928