Želénky
Former porcelanite ("porcelain jasper") deposit in North Bohemian lignite basin. This buchite occurrence was caused by fossil burning of a coal seam.
Apart from the listed minerals, Žáček et al. (2005) describe also Ca2SiO4, Ca7MgSi4O16 [= unrecognised bredigite?] and other unidentified Ca-, Mg- and Fe-bearing phases.
References
- Žáček V., Skála R., Chlupáčová M., Dvořák Z. (2005): Ca-Fe3+-rich, Si-undersaturated buchite from Želénky, northern Bohemian Brown Coal Basin, Czech Republic. European Journal of Mineralogy 17, 623-633.
- Žáček, V., Skála R., Dvořák Z. (2010): Petrologie a mineralogie porcelanitů mostecké pánve - produktů fosilních požárů neogenní hnědouhelné sloje. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze 18 (1), 1-32 (in Czech with English abstract).
Mineral List
22 entries listed. 17 valid minerals.
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