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
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
Grain type: medium grain
Binder type: heterogeneous
Grog : Binder: 1:3
Microstructure: parallel
Porosity: 7%
Firing temperature: 900–1000 °C