Primary standard
NOTES: Homogeneous, but stay away from cracks and holes. Strong stoichiometric constrains and low impurities makes me confident of this as a Ti standard.
 |  |
| Position | 94 |
| Mineral | Rutile |
| Sample Name | Rut |
| Type | Oxide |
| Nominal formula | TiO2 |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | Champion Mine area, Mono Co., CA |
| Original reported analysis | Calculated from ideal formula |
| Composition quality | Secondary standard |
| Comments | Analysis shown is from standardless and standards-based EDS analyses. |
| O Ti Fe | 39.94 29.2 0.86 |
