Table 1. Stoichiometric mineral compositions for CA13-01, based on assumed number of oxygen atoms shown.
Note that Fe in zoisite was assumed to be 100% Fe3+ and Fe in all other minerals was assumed to be 100% Fe2+. Gln, glaucophane; Omph, omphacite; Phe, phengite; Zo, zoisite.
| CA13-01 | |||||
| Gln | Omph | Phe | Zo 1 | Zo 2 | |
| Si | 7.99 | 2.02 | 3.49 | 2.91 | 2.92 |
| Ti | — | — | 0.01 | 0.01 | — |
| Al | 1.69 | 0.36 | 1.97 | 2.41 | 2.25 |
| Cr | — | — | — | — | — |
| Fe | 1.15 | 0.22 | 0.19 | 0.50 | 0.62 |
| Mn | — | — | — | — | 0.01 |
| Mg | 2.21 | 0.44 | 0.39 | 0.01 | — |
| Ca | 0.15 | 0.51 | — | 1.79 | 1.72 |
| Na | 1.87 | 0.46 | 0.03 | — | — |
| K | — | — | 0.87 | — | — |
| O | 23 | 6 | 11 | 12.5 | 12.5 |
| Al/(Al + Si) | 0.17 | 0.15 | 0.36 | 0.45 | 0.44 |
| Fe/(Fe + Al) | 0.41 | 0.38 | 0.09 | 0.17 | 0.21 |
| Fe/(Fe + Mg) | 0.34 | 0.34 | 0.33 | — | — |
| Na/(Na + Ca) | 0.93 | 0.48 | — | — | — |
| Na/(Na + K) | — | — | 0.04 | — | — |
| Total oxides (wt %) | 97.5 | 100.6 | 94.5 | 96.3 | 97.6 |