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
Grain type: medium grainNon-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 |
Binder type: heterogeneous
Grog : Binder: 1:3
Microstructure: all directions
Porosity: 6%
Firing temperature: 800–900 °C