Secondary standard
NOTES: Homogeneous. Because of non-stoichiometry of pyrrhotite the composition is an estimate. It will require more work.
 |  |
| Position | 7 |
| Mineral | Pyrrhotite |
| Sample Name | Po |
| Type | Sulfide |
| Nominal formula | Fe1-xS |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | Bluebell Mine, Rondel, British Columbia |
| Original reported analysis | Calculated from ideal formula |
| Composition quality | Secondary standard |
| Comments | EDS analysis and stoichiometry |
| S Fe Zn | 37.62 61.4 0.99 |
