Secondary standard
NOTES: Homogeneous.
 |  |
| Position | 36 |
| Mineral | Chromite |
| Sample Name | Chr |
| Type | Oxide |
| Nominal formula | (Fe2+,Mg)(Cr,Al,Fe3+)2O4 |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | G Zone, Stillwater Complex Montana |
| Original reported analysis | This analysis MAY apply: Beeson, AmMin 54 Jul/Aug 1969 Chemical Composition of Altered Chromites in the Stillwater Complex. |
| Composition quality | Secondary standard |
| Comments | Analysis presented here is somewhat more Fe-rich than in the Beeson article, but otherwise very similar. |
| O Mg Al Si Ti Cr Mn Fe | 33.02 6.08 8.49 0.08 0.93 30.25 0.51 20.65 |
