3491 Phoenicochroite, Tonopah-Belmont Mine, Belmont Mountain, Tonopah, Osborn Mining District, Maricopa, Arizona, USA. 35x28x12mm.
![](https://jmelville.mineralcollective.com/wp-content/uploads/2023/03/2023-03-04-00-24-03-BR8S4-scaled.jpg)
3491 Phoenicochroite, Tonopah-Belmont Mine, Belmont Mountain, Tonopah, Osborn Mining District, Maricopa, Arizona, USA. 35x28x12mm.