1346 OSUMILITE, TRIDYMITE, Obsidian Cliffs, North Sister Mtn., McKenzie Pass, Lane County, Oregon, U.S.A. September 28, 2019 Steve North & Central Americas Oregon United States Source B.Porter, 1983
Africa Namibia 4270 BOLTWOODITE, CALCITE, Rossing Mine, Arandis, Swakopmund District, Erongo Region, Namibia September 28, 2019
Belgium Europe 4629 FERRIPYROPHYLLITE, Ottre, Vielsalm, Stavelot Massif, Luxembourg Province, Belgium September 28, 2019
Europe Italy 6474 HERCYNITE, La Piana Alpe, Premosello Chiovenda, Verbano-Cusio-Osssola Province, Piedmont, Italy September 28, 2019
Czech Republic Europe 1631 ZAVARITSKITE, QUARTZ, Horni Slavkov, Karlovy Vary Region, Bohemia, Czech Republic September 28, 2019
