Optical Microscopy of Stove Tile (50/15-1152/148, 150, 50/15-1209/472)
Analysis of: Sample 1 from stove tile (50/15-1152/148, 150, 50/15-1209/472)
Object the sample was taken from: stove tile (50/15-1152/148, 150, 50/15-1209/472)
Instrument used: polarizing microscope BX51
Analysed by: Martin Hložek
Rock and mineral fragments
Grain type: medium grain| Non-plastic inclusion | Type |
|---|---|
| alkali feldspar | Minerals |
| biotite | Minerals |
| quartz | Minerals |
| muscovite | Minerals |
| slate | Rocks |
| greywacke | Rocks |
| quartzite | Rocks |
| metaquartzite | Rocks |
| sandstone | Rocks |
| gneiss | Rocks |
| ferrous sandstone | Rocks |
Binder type: heterogeneous
Grog : Binder: 1:3
Microstructure: fluidal
Porosity: 7%
Firing temperature: 800–900 °C