| Brownleeite | |
|---|---|
| General | |
| Category | Native element class, Fersilicite group |
| Formula (repeating unit) | MnSi |
| IMA symbol | Bwn[1] |
| Strunz classification | 1.XX.00 |
| Dana classification | 01.01.23.07 |
| Crystal system | Isometric |
| Crystal class | Tetartoidal (23) H-M symbol: (23) |
| Space group | P213 |
| Identification | |
| Crystal habit | Cubic grain in microscopic dust particle (< 2.5 μm) |
| References | [2][3] |
Brownleeite is a silicide mineral with chemical formula MnSi. It was discovered by researchers of the Johnson Space Center in Houston while analyzing the Pi Puppid particle shower of the comet 26P/Grigg-Skjellerup. The only other known natural manganese silicide is mavlyanovite, Mn5Si3.[4]