20060 Cassiterite, Ferberite, Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China July 15, 2020 Pendleton Asia China A group of cassiterite crystals on a striated single ferberite crystal. Width 11mm. Stack of 130 images.
Arkansas North and Central Americas United States 4935 Aegirine, Analcime, Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA October 5, 2019
Australasia Australia Tasmania 3721 SC Grimaldiite, Crocoite, Red Lead Mine, Dundas mineral field, Zeehan mining district, West Coast municipality, Tasmania December 9, 2023
Cornwall England United Kingdom ncat JP2520 Posnjakite, South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK October 8, 2019