fix(data): apply audit corrections to mineral database#3
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fix(data): apply audit corrections to mineral database#3
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Three-stage Gem-A verification pipeline (per-slice → live gem-a.com lookups
→ deep web research) consolidated into ~/Downloads/gemmology-verification/.
Applied 50 scalar corrections, 6 list/text edits and a 5-file beryl-chemistry
notation sweep. Highest-impact:
- GGG ri 2.02-2.03 → 1.970 (was the CZ value)
- Beryl ri 1.577-1.583 → 1.560-1.600; emerald ri → 1.565-1.600
- Opal ri lower bound 1.37 → 1.40
- Pyrope sg 3.51-3.65 → 3.65-3.80; tsavorite hardness 7-7.5 → 6.5-7
- Demantoid ri 1.888-1.889 → 1.880-1.895
- Labradorite/bytownite optical character → Biaxial -; andesine → Biaxial +
- Padparadscha/pink-sapphire sg 3.99-4.02 → 3.99-4.01
- CVD diamond year 1952 → 2003; YAG year 1960 → 1964
- Zircon: ri 1.78-1.99, sg 3.9-4.7, hardness 6.0-7.5 spans both populations
(high crystalline + low metamict) with notes block documenting the split
- Chalcedony birefringence 0.004 → null (aggregate)
- Diamond birefringence 0 added explicitly
- Beryl chemistry Be3Al2(SiO3)6 → Be3Al2Si6O18 across 5 variety files
- red-beryl: "crystite" typo → Bixbyite crystals
- demantoid: keep chrysotile as horsetail mineral (revert earlier byssolite mis-edit)
- emerald: add Zimbabwe (Sandawana) locality
- synthetic-emerald-hydrothermal: add Lechleitner manufacturer
- synthetic-{ruby,sapphire}-verneuil: add Plato lines diagnostic
- synthetic-spinel-verneuil: fluorescence attribution Co → Cr trace
Source of truth: ~/Downloads/gemmology-verification/00-master-report.md
Tests: 131 passed; mineral-db rebuild succeeds with 121 families / 171 expressions.
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Summary
2.02-2.03(the CZ value) to1.970; beryl/emerald RI ranges widened to FGA standard; demantoid RI corrected; pyrope SG range corrected; tsavorite hardness lowered; labradorite/bytownite/andesine optic signs flipped; CVD diamond year corrected from 1952 to 2003notesblock documenting the splitVerification pipeline
Three-stage Gem-A verification (per-slice agents → live gem-a.com lookups via citation-verifier → deep web research for unverifiable claims). Source priority Gem-A → peer-reviewed (G&G, Journal of Gemmology) → manufacturer/wikipedia → last resort. Conflict resolution applied where later rounds reversed earlier "fixes" (e.g. demantoid stays chrysotile, Gilson opal stays 1974, adularescence is both scattering + interference).
Consolidated source of truth (gitignored, local):
~/Downloads/gemmology-verification/00-master-report.md.Test plan
pytest— 131 passedpython scripts/build_db.py --from-yaml data/source/minerals -o src/mineral_database/data/minerals.db -v— 121 families / 171 expressions imported clean