Optical Microscopy of Floor Tile (409475)
Analysis of: Sample 1 from floor tile (409475)
Object the sample was taken from: floor tile (409475)
Instrument used: polarizing microscope BX51
Analysed by: Martin Hložek
Rock and mineral fragments
Grain type: fine grain| Non-plastic inclusion | Type |
|---|---|
| alkali feldspar | Minerals |
| amphibole | Minerals |
| biotite | Minerals |
| quartz | Minerals |
| muscovite | Minerals |
| plagioclase | Minerals |
| biotite-muscovite slate | Rocks |
| granitoid | Rocks |
| cataclasite | Rocks |
| metaquartzite | Rocks |
| sandstone | Rocks |
| gneiss | Rocks |
| iron oxide-hydroxide klasts | Rocks |
Binder type: heterogeneous
Grog : Binder: 1:10
Microstructure: all directions
Porosity: 3%
Firing temperature: 800–900 °C