“Jarosite crystalline balls (XRD analysed by Michel Blondieau at "Laboratoire de minéralogie, Liège University, Belgium").
Field is 10,5mm large
Zeiss luminar 63mm on bellows + Nikon D5100. Combine Z
Self collected 2016
Photo & collection Chollet Pascal (# 5920) ”
Pascal Chollet - 6th April 2017