Bustamite
(Mn,Ca)SiO3
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Location
Meldon Quarry, Okehampton, Devon, England
Dana Class
65.02.01.02
Strunz Class
09.DG.05
| Element | WT% |
| Fe | 3.4% |
| Ca | 11.65% |
| Si | 21.8% |
| Mn | 25.33% |
| O | 37.83% |
| Compound | WT% |
| FeO | 4.37% |
| CaO | 16.3% |
| SiO2 | 46.63% |
| MnO | 32.71% |
