Fossilized limestone, thin sheet
Selected rocks and minerals are sanded and polished to a thickness of 20 to 30 microns to
To ensure transparency, the preparations were assembled using Canada balsam on slides.
45x30mm (32x24 mm strips). For the identification of shapes, colors, refractions and fine fossil inclusions can be observed with an optical microscope. Additional information is given using polarized light microscopy.