Optical Microscopy of Stove Tile (1954/421b)
Analysis of: Sample 1 from stove tile (1954/421b)
Object the sample was taken from: stove tile (1954/421b)
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 |
| plagioclase | Minerals |
| aplite | Rocks |
| biomass | Rocks |
| biotite-muscovite slate | Rocks |
| greywacke | Rocks |
| mudstone | Rocks |
| quartzite | Rocks |
| metaquartzite | Rocks |
| siltstone | Rocks |
| iron oxide-hydroxide klasts | Rocks |
Binder type: heterogeneous
Grog : Binder: 1:3
Microstructure: parallel
Porosity: 7%
Firing temperature: 900–1000 °C