The dust samples analysed in this work are laboratory analogues of silicates and oxides of astronomical interest. Here, we present the calculated dust extinction cross sections. The data were acquired using the electron microscope facility located at the University of Cadiz in Spain. Among the samples, four of them are natural and six are commercial products. The rest of the silicate samples are synthesised in the laboratories at the Astrophysikalisches Institut, Universitats-Stenwarte (AIU), and Osaka University.