Questionable
NOTES: So full of inclusions of K-feldspar and other things that other feldspars should probably be used instead.
 |  |
| Position | 48 |
| Mineral | Andesine |
| Sample Name | Andesine |
| Type | Feldspar |
| Nominal formula | (Na,Ca)(Al,Si)4O8 |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | Essex County New York, Ward’s Natural Science |
| Original reported analysis | Semi-quantitative analysis |
| Composition quality | Questionable |
| Comments | EDS analysis and stoichiometry |
| O Na Al Si K Ca Fe | 47.11 3.55 15.46 25.18 0.24 8.32 0.15 |
