Optical Microscopy of Small Sculpture (72380)


Analysis of: Sample 1 from small sculpture (72380)
Object the sample was taken from: small sculpture (72380)
Instrument used: polarizing microscope BX51
Analysed by: Martin Hložek
Rock and mineral fragments
Non-plastic inclusion Type
alkali feldspar Minerals
biotite Minerals
garnet Minerals
quartz Minerals
muscovite Minerals
plagioclase Minerals
tourmaline Minerals
crystalline slate Rocks
quartzite Rocks
metaquartzite Rocks
muscovite gneiss Rocks
Grain type: medium grain
Binder type: heterogeneous
Grog : Binder: 1:3
Microstructure: all directions
Porosity: 6%
Firing temperature: 800–900 °C