Optical Microscopy of Stove Tile (18/94-231/1-10)
Analysis of: Sample 1 from stove tile (18/94-231/1-10)
Object the sample was taken from: stove tile (18/94-231/1-10)
Instrument used: polarizing microscope BX51
Analysed by: Martin Hložek
Rock and mineral fragments
      
    
    
  
  
    
      
      
      
        
      
    
  
      
          
Chemical analysis: | Non-plastic inclusion | Type | 
|---|---|
| alkali feldspar | Minerals | 
| amphibole | Minerals | 
| biotite | Minerals | 
| quartz | Minerals | 
| muscovite | Minerals | 
| plagioclase | Minerals | 
| amphibolite | Rocks | 
| aplite | Rocks | 
| biotite slate | Rocks | 
| fine-grain sandstone | Rocks | 
| quartzite | Rocks | 
| siltstone | Rocks | 
| silicate | Rocks | 
| Chemical/Sloučenina | Value/Hodnota | 
|---|---|
| SiO2 | 33.25% | 
| Al2O3 | 2.81% | 
| CuO | 1.69% | 
| PbO2 | 62.25% | 
Grain type: medium grain
Binder type: heterogeneous
Grog : Binder: 1 : 1
Microstructure: fluidal
Porosity: 7%
Firing temperature: 1000 °C
Note: 
- Výchozí surovinou je cihlářská hlína.