Table 2.
Mineralogical and chemical composition of the test binding materials (TBM) and reference binder.
| TBM and Mycobind® ID | Prominent Minerals | Chemical Formula |
|---|---|---|
| AC | muscovite | KAl2(AlSi3O10)(F,OH)2 |
| hematite-proto | Fe1.9H0.06O3 | |
| KC | quartz | SiO2 |
| muscovite | KAl2(AlSi3O10)(F,OH)2 | |
| lizardite | Mg3Si2O5(OH)4 | |
| CC | kaolinite | Al2Si2O5(OH)4 |
| MC | kaolinite | Al2Si2O5(OH)4 |
| leucite | K[AlSi2O6] | |
| lizardite | Mg3Si2O5(OH)4 | |
| VA | pigeonite | (Ca, Mg, Fe) (Mg, Fe)Si2O6 |
| microcline | KAlSi3O8 | |
| ephesite | NaLiAl2 (Al2Si2)O10(OH)2 | |
| RA | albite | NaAlSi3O8 or Na1.0–0.9Ca0.0 |
| terranovaite | NaCaAl3Si17O408H2O | |
| sepiolite | Mg4Si6O15(OH)2·6H2O | |
| R | metanatrolite | Na2Al2Si3O10 |
| phlogopite | KMg3(AlSi3O10)(F,OH)2 | |
| andradite/melanite | Ca3Fe2(SiO4)3 |
In this and subsequent tables: clays from Arusha (AC), Kilimanjaro (KC), Coast (CC), and Morogoro (MC); volcanic ash (VA), rice husk ash (RA), and reference binder (R).