The Sand Atlas is an effort to collate data describing the shape and morphology of a wide range of sand-sized particles. This data can be viewed online and downloaded for free.
re3data.org: The Sand Atlas;
editing status 2024-11-09;
re3data.org - Registry of Research Data Repositories. http://doi.org/10.17616/R31NJNOM
last accessed: 2025-04-23