Questionable
NOTES: Note faint zoning that seemed not to show up on EDS analyses. Needs more checking.
 |  |
| Position | 72 |
| Mineral | Hedenbergite |
| Sample Name | Hed |
| Type | Pyroxene |
| Nominal formula | CaFeSi2O6 |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | Vesper Peak, Snohomish County, WA |
| Original reported analysis | Single quantitative analysis of medium green grain conducted at Cannon Microprobe. |
| Composition quality | Questionable |
| Comments | Analysis shown is based on EDS and stoichiometric constraints, but very similar to original Cannon Microprobe analysis. |
| O Na Mg Al Si Ca Ti Mn Fe | 39.32 0.51 0.84 0.25 22.88 15.53 0.04 0.7 19.93 |
