![Magnetite from Black Diamond Mine (Englander Mine; Black Diamond claim), Middle Pass Mining District, Cochise County, Arizona, USA Magnetite from Black Diamond Mine (Englander Mine; Black Diamond claim), Middle Pass Mining District, Cochise County, Arizona, USA](https://www.mindat.org/imagecache/df/b7/08241040015729835741714.jpg)
Magnetite from Black Diamond Mine (Englander Mine; Black Diamond claim), Middle Pass Mining District, Cochise County, Arizona, USA
![Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia](https://www.mindat.org/imagecache/aa/3f/04943880015036400465949.jpg)
Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia
![Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia](https://www.mindat.org/imagecache/15/26/09048760014963910017339.jpg)
Black Diamond Coal Mine (Black Diamond A; Black Diamond B), Collie Shire, Western Australia, Australia
![Black Diamond Historical Society | Remembering the 1910 Lawson Mine disaster | Slide Show | Covington-Maple Valley Reporter Black Diamond Historical Society | Remembering the 1910 Lawson Mine disaster | Slide Show | Covington-Maple Valley Reporter](https://www.covingtonreporter.com/wp-content/uploads/2016/10/74235covingtonLawson-1WEB.jpg)