4127 HYDROBORACITE, Kohnstein Quarry, Niedersachwerfen, Harz Mountains, Thuringia, Germany September 28, 2019 Steve Europe Germany Source R.Coulsell, 1999
Canada North & Central Americas 0114 CRYOLITE, WELOGANITE, Francon Quarry, Montreal, Quebec, Canada September 28, 2019
Connecticut North & Central Americas United States 0173 WURTZITE, QUARTZ, Thomaston Dam, Litchfield County, Connecticut, U.S.A. September 28, 2019