A flat, joint-balanced corpus of 2,000,115 inorganic crystal structures with conditioning metadata (space group, crystal system, magnetic ordering, formation energy, band gap), drawn from public DFT and experimental databases and curated to remove the heavy class skew of the raw merge.

	At a glance

Rows 2,000,115

Format Apache Parquet, 41 chunks × 50,000 rows

Schema 21 columns (full CIF + metadata)

Size on disk 1.1 GB

Coverage… See the full description on the dataset page: https://huggingface.co/datasets/willgbryan13/gpsk-inorganic-crystals.