ncat JP882, Strengite, Indian Mountain, Cherokee Co., Alabama, USA September 23, 2019 Steve Alabama North and Central Americas United States
Belgium Europe ncat JP0278 Strengite, Strunzite, Beraunite, Mont-des-Groseillers, Blaton, Mons, Hainaut Province (Henegouwen; Hennegau), Belgium October 8, 2019
Australasia Australia South Australia ncat VHD10, Cyrilovite, Strengite, Kidwellite, Iron Monarch Mine, Iron Knob, South Australia November 17, 2019
Australasia Australia South Australia 9107 JP2756 Kidwellite, Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia May 24, 2020
Cornwall England United Kingdom ncat JP1659 Strengite, Siderite, Gravel Hill Mine (Cliff Iron Mine; Penhale Iron Mine), Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK October 8, 2019
