Birnessite from Courtland, Turquoise Mining District (Courtland-Gleeson Mining District), Cochise County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 137 |
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 398 |
Several unnamed prospects, Courtland, Turquoise Mining District, Cochise County, Arizona, USA