["size_categories:10K<n<100K", "format:parquet", "library:datasets", "library:pandas", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "data", "list": [{"name": "density", "dtype": "null"}, {"name": "lx", "dtype": "float64"}, {"name": "ly", "dtype": "float64"}, {"name": "lz", "dtype": "float64"}, {"name": "mass", "dtype": "null"}, {"name": "rx", "dtype": "int64"}, {"name": "ry", "dtype": "int64"}, {"name": "rz", "dtype": "int64"}, {"name": "x", "dtype": "float64"}, {"name": "y", "dtype": "int64"}, {"name": "z", "dtype": "float64"}]}]