Optical Microscopy of Floor Tile (352946; 30/2002-1191/58)
Analysis of: Sample 1 from floor tile (352946; 30/2002-1191/58)
Object the sample was taken from: floor tile (352946; 30/2002-1191/58)
Instrument used: polarizing microscope BX51
Analysed by: Martin Hložek
Rock and mineral fragments
Grain type: fine grain| Non-plastic inclusion | Type |
|---|---|
| alkali feldspar | Minerals |
| biotite | Minerals |
| quartz | Minerals |
| muscovite | Minerals |
| vivianite | Minerals |
| biomass | Rocks |
| fossils | Rocks |
| graphite slate | Rocks |
| cataclasite | Rocks |
| quartzite | Rocks |
| metaquartzite | Rocks |
| gneiss | Rocks |
| sillimanite gneiss | Rocks |
Binder type: homogenous
Grog : Binder: 1:10
Microstructure: fluidal
Porosity: 4%
Firing temperature: 800–900 °C