“White spheres of Girdite with brownish, oily Chlorargyrite near the bottom,brown bladed crystals at left are Jarosite, 3mm field of view. Clear crystals may be Schieffelinite but have not been anylized. Former Sid Williams collection. Ewald Muller gift. Rolf Luetcke specimen and photo.”
Rolf Luetcke - 31st January 2013