Matagne-la-Grande, Doische, Namur, Wallonia, Belgium
A crinoïd fossil and tiny shell fossil replaced by fluorite, with micro quartz crystals.
© Harjo Neutkens
Internal reflections in polychrome fluorite.
Opalised fossil in fluorite with micro quartz crystals.
Tiny fossilised shell replaced by fluorite. The yellow colour is due to limonite staining.
