Feldspar
Feldspar is the name given to a group of minerals distinguished by the presence of alumina and silica (SiO2) in their chemistry. This group includes aluminum silicates of soda, potassium, or lime. The minerals included in this group are the orthoclase, microcline and plagioclase feldspars.
Key Specifications
| Si02 | 60-65% |
|---|---|
| Alumina | 17.5% +/- 1% |
| K2O | 6-8% |
| Na2O | 4-6% |
| Form | Lumps, Granules |
| A Value | 0.26% |
| B Value | 80% Minimum |
| Grade | A grade |