7173 Mullite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany ex Joan Lamond Collection.
Europe Germany ncat JP1298 Mullite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 11, 2019
Europe Germany ncat JP2830 Mullite, Wannenkopfe, Ochtendung, Polch, Eifel, Rhineland-Palatinate, Germany October 11, 2019
Scotland United Kingdom 3603 Mullite, Port Na Cloidheig, Loch Scridain, Isle of Mull, Scotland October 3, 2019
