Brownleeite | |
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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]