5533 Robertsite, Montgomeryite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA October 5, 2019 Pendleton North and Central Americas South Dakota United States Type Locality for robertsite. Ex John Lewis collection.
Cornwall England United Kingdom 3624 Jeanbandyite, Arsenopyrite, Hingston Downs Quarry, Calstock, Cornwall, England October 3, 2019
Arizona North and Central Americas United States ncat JP633, Azurite, Malachite, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA September 23, 2019
Cornwall England United Kingdom ncat JP2432 Jamesonite, Tresungers Mine (Rose Mine; Wheal Arthur), Port Isaac, St Endellion, Cornwall, England, UK October 8, 2019
California North and Central Americas United States 7208 JL3337 Marshite, Aurichalcite, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California September 23, 2019
