Английская Википедия:Cadmoindite
Шаблон:Infobox mineral Cadmoindite (CdIn2S4) is a rare cadmium indium sulfide mineral discovered in Siberia around the vent of a high-temperature (450–600 °C) fumarole at the Kudriavy volcano, Iturup Island in the Kuril Islands. It has also been reported from the Kateřina Coal Mine in Bohemia, Czech Republic.[1]
Crystal structure
CdIn2S4 exhibits the spinel structure, which can be described by a cubic unit cell with 8 tetrahedrally coordinated and 16 tetrahedrally coordinated cation sites. The distribution of Cd(II) and In(III) over the cation sites is difficult to elucidate from standard X-ray diffraction techniques because the two species are isoelectronic, but both Raman spectroscopy measurements on synthetic samples[2] and density functional theory simulations[3] indicate that about 20% of the tetrahedral sites are occupied by In(III) cations.
References
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- ↑ Шаблон:Cite journal
- Английская Википедия
- Cadmium minerals
- Indium minerals
- Thiospinel group
- Cubic minerals
- Minerals in space group 227
- Minerals described in 2004
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