| Aurorite | |
| Formula: | (Mn,Ag,Ca)MnO·3HO |
| Imasymbol: | Aro |
| Color: | Black, pale brown in transmitted light at the edges of very thin, platy grains |
| Luster: | Metallic |
| Gravity: | 3.81 |
Aurorite is a dark-colored mineral with the chemical formula (Mn,Ag,Ca)MnO·3HO. It is named for its type locality, the North Aurora mine in White Pine County, Nevada.[1]