Secondary standard
NOTES: Homogeneous, but a lot of cracks and inclusions to stay away from.
 |  |
| Position | 62 |
| Mineral | Hornblende 1 |
| Sample Name | Horn 1 |
| Type | Amphibole |
| Nominal formula | [ ](Na,Ca)2(Fe,Mg,Al,Ti)5(Si,Al)8O22(OH)2 |
| Supplier | Cannon Microprobe, Seattle, WA |
| Source | Dallas Gem Mine, San Benito County, CA |
| Original reported analysis | – |
| Composition quality | Secondary standard |
| Comments | Analysis shown is based on EDS and loose stoichiometric constraints. Needs more work. |
| H O Na Mg Al Si K Ca Ti Mn Fe | 0.24 44.77 1.7 8.09 6.61 20.36 0.65 8.26 2.03 0.17 7.13 |
