The samples were ore-bearing drillcore samples from Garpenberg mine in Sweden, and they were imaged to quantify and classify structures in 3D for liberation analysis. Samples and the study are better described in Guntoro, P.I., Ghorbani, Y., Butcher, A.R., Kuva, J., Rosenkranz, J., 2020. Textural Quantification and Classification of Drill Cores for Geometallurgy: Moving Toward 3D with X-ray Microcomputed Tomography. Natural Resources Research 29. To get this dataset, please contact fairdata-pas@gtk.fi. Preview dataset found at https://doi.org/10.23729/6e74f321-dc7b-40f5-9391-07bd072ef086

2020