. . . . "The integrant molecules reduce to three forms, the simplest of their kinds: the tetrahedron, the triangular prism and the parallelepiped, with four, five and six faces." . "mechanism" . . "Formalization: several. As a classification of cleavage solids partly descriptive; as a theory of the building unit refuted (every lattice has a parallelepiped primitive cell)." . "There are three kinds of integrant molecule: tetrahedron, triangular prism, parallelepiped" . "Haüy RJ, “Traité de minéralogie, tome premier”, Conseil des Mines, Paris (Chez Louis) (1801); Formes primitives, p. 51. Scope: The building unit of crystals." . "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 51 of the reading copy; paragraph 350 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." . . . "le tétraèdre ou la plus simple des pyramides; le pvisme triangulaire ou le plus simple de tous les prismes, et le parallèlipipède ou le plus simple des solides qui aient leurs faces parallèles deux à deux" . . "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: There are three kinds of integrant molecule: tetrahedron, triangular prism, parallelepiped" . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB" . "dqdLkQCIaTXBcQEpqoSUqFjUFRjEj2bjyKepid5UXxqHYPwVARJpOFZfGiaPlNaTmhJaTKvbBBeS7pW+VI2TXqBkIsu+OqnpaVGz89XksezfLT9iueM63cOn2d4cRWek8mp6x/GUmdtuku2hA+f8o4Jm5GJC2xFa7uYRRdG3zrhFjYb0hiZDefeGfOwt9zGuHxKOxz+ySaFPstucZm1Qf47S35xGWU5YSoYc+WivoANUoBmSMcity0RirTXHzoNYfC+At++D08qERUmm0QIQCmff2m9i5pzEqE/D2V2Yi/Hzc3N9O2UJFNQeSHG254CYgs1NtbhXWUEZh5Z0KMzrxA==" . . .