0022 Boleite, Pseudoboleite, Boleo District, Santa Rosalía, Mulegé Municipality, Baja California Sur, Mexico December 9, 2021 Pendleton Mexico North and Central Americas Type Locality Type Locality. Cubic crystal of boleite upon which plates of pseudoboleite have grown epitactically on the boleite cube faces. Ex Bernie Day specimen. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Europe Germany 4769 Pseudomalachite, Silberbrunnle Mine, Haigerach valley, Gengenbach, Black Forest, Baden-Wurttemberg, Germany October 5, 2019
Colorado North and Central Americas United States ncat JP1565, Anatase, Quartz, Muscovite, Silver Mountain Mine, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA September 23, 2019
United Kingdom Wales ncat JP2283 Anatase, Cwmorthin Quarry, Tanygrisiau, Blaenau Ffestiniog, Gwynedd, Wales, UK October 23, 2020