. . . . "Primitive forms and integrant molecules can be common to substances of different natures: rock salt and pyrite both have the cube as primitive form, and ruby and native bismuth the regular octahedron." . "empirical-generalization" . . "Formalization: several. Cubic salt and pyrite: supported. Octahedral ruby and bismuth: refuted by their trigonal structures." . "Different substances can share a primitive form: salt and pyrite are both cubic" . "Haüy RJ, “Traité de minéralogie, tome premier”, Conseil des Mines, Paris (Chez Louis) (1801); Formes primitives, p. 53. Scope: Halite, pyrite, corundum, bismuth." . "Haüy RJ. Traité de minéralogie, tome premier. Conseil des Mines, Paris (Chez Louis) (1801)" . "René Just Haüy" . "1801"^^ . "Volume 1 holds the general theory of crystal structure: integrant molecules, the primitive form, and the laws of decrement first published in the 1784 Essai. The 1784 Essai (archive.org bub_gb_HbJDAAAAcAAJ) was fetched but its eighteenth-century OCR (long s) is too corrupt to quote; see SEARCHES.md. French." . "Public domain (1801)." . "Traité de minéralogie, tome premier" . . . . "Reading copy of Traité de minéralogie, tome premier" . . . "delphisci crystals-and-form claim extractor" . . . . "Claude Fable 5.1" . . . . . . . . . . . . "Page 53 of the reading copy; paragraph 361 of the normalised text 1801-hauy.txt (sha256 75e8725eafc33d75d3da5d556fa40bdfeaf55bd1fcb6fddfa8cdb23a59082d19), produced by build/fetch.py and checked by build/check-quotes.mjs. The text itself is not committed." . . . "la soude muriatëe et le fer sulfure ont l'un et l'autre le cube pour forme primitive. L'octaèdre régulier est celle du rubis et en même temps celle du bism-uth natif" . . "75e8725eafc33d75d3da5d556fa40bdfeaf55bd1fcb6fddfa8cdb23a59082d19" . "Checksum of the normalised one-paragraph-per-line text derived from the reading copy, not of the reading copy itself." . "crystals-and-form" . "2026-11-07T03:18:23.997Z"^^ . . . . . "René Just Haüy 1801 claim: Different substances can share a primitive form: salt and pyrite are both cubic" . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB" . "ceKfLOkMEdqRJpGjgVSQYLNFYaTLk4nVekxsXU3n57D2zAe4ds1FF4DGYtU937S9kad6gjs9sGbGrXs98m4TzTx+ecy1YbP6iikTyxbWDSiC48150xkDMRpLzhKV/WBUhy2hq/uYvah+PthLPMjK4xBeystOWVghePc53TCG/tcs/5vMIAENGvwZUPC6YD9c7u1Vzn3MmXoVdte75RfhbPmlT0jPvYaXPVuANkGlfReMDYxcqjDv3p90Vs8ektrf94xmbTtmd2+8nwWOtgPw99ASBlrf9te8jHdduAoGGmC8k/vgIyJNqN6ijAIhcap9CrgVTVdyXbvDI3LGaZNw5g==" . . .