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Yellow Banks #401
Description: PLASTIC CLAY
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 0.38% | 0.02 | |
| K2O | 0.01% | - | |
| MgO | 0.97% | 0.08 | |
| Na2O | 0.03% | - | |
| TiO2 | 0.82% | 0.03 | |
| Al2O3 | 30.91% | 1.00 | |
| SiO2 | 54.61% | 3.00 | |
| Fe2O3 | 1.46% | 0.03 | |
| LOI | 10.66% | n/a | |
| Oxide Weight | 294.32 | ||
| Formula Weight | 329.44 | ||
Notes
Georgie's Pottery Supply in Portland quotes this chemistry:
57.0 SiO2
27.6 Al2O3
1.5 Fe2O3
0.3 Fe3o4
1.3 TiO2
0.7 MgO
2.6 K2O
0.5 Na2O
LOI 8.5
Moisture 2.5
Pyrometric cone equivalent 31
Related Information
Links
| Typecodes |
Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically. |
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