Aurorite
Mineral of manganese and silver
From Wikipedia, the free encyclopedia
Aurorite is a dark-colored mineral with the chemical formula (Mn2+,Ag,Ca)Mn4+3O7·3H2O. It is named for its type locality, the North Aurora mine in White Pine County, Nevada.[1]
CategoryMinerals
Formula(Mn2+,Ag,Ca)Mn4+3O7·3H2O
IMA symbolAro
ColorBlack, pale brown in transmitted light at the edges of very thin, platy grains
| Aurorite | |
|---|---|
Aurorite crystals found in calcite | |
| General | |
| Category | Minerals |
| Formula | (Mn2+,Ag,Ca)Mn4+3O7·3H2O |
| IMA symbol | Aro |
| Identification | |
| Color | Black, pale brown in transmitted light at the edges of very thin, platy grains |
| Luster | Metallic |
| Specific gravity | 3.81 |
