ncat WD113 Cassiterite, Hyalite, Erongo Mountains, Karibib, Erongo, Namibia October 29, 2020 Steve Africa Namibia Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl ions.
Australasia Australia Tasmania 1157 Cassiterite, Mount Bischoff mine, Waratah, Waratah district, Waratah-Wynyard municipality, Tasmania December 29, 2021
Cornwall England United Kingdom ncat JP1708 Cassiterite, Schorl, Egloshellen Mine (Gwindra Mine; Gwendra Mine), St Stephen, St Stephen-in-Brannel, Cornwall, England, UK October 8, 2019
Devon England United Kingdom 30066 Scorodite, Cassiterite, Ferberite, Hemerdon Mine, Plympton, Plymouth, Devon, England April 21, 2020