THE ATOMIC STRUCTURE OF SIDEROTIL, (Fe,Cu)SO4{middle dot}5H2O
Bibliographic record
Abstract
On trouve des cristaux bleu pâle de siderotil le long de la gallerie B de la mine Richmond (minerai de Cu-Zn-pyrite) a Iron Mountain, en Californie, en presence de coquimbite, romerite, halotrichite, copiapiteet voltaite. Les resultats d'analyses a la microsonde electronique ont donne, comme formale empirique moyenne, (Fe 0 . 5 5 Cu 0 . 2 8 Mg 0 . 0 9 Zn 0 . 0 8 ) Σ 1 SO 4 .5H 2 O. La structure atomique de ce materiau a ete determine par affinement par moindres carres de donnees en diffraction X prelevees sur cristal unique, menant a un residu wR de 5.7% pour 1633 reflexions, P1, a 6.292(5), b 10.632(8), c 6.072(5) A, α 82.63(1), β 110.02(1), γ 105.19(1)°. Le siderotil possede la meme structure que la chalcanthite, CusO 4 .5H 2 O. Les longueurs et les angles des liaisons ressemblent a ceux de la chalcanthite sauf que les longues liaisons apicales des sites octaedriques dans la chalcanthite, qui resultent de l'octaedre difforme autour du Cu, du a une coordinence en plan carre, sont considerablement raccourcies dans le siderotil a cause de la dominance du Fe a ce site. On peut evaluer la proportion de Cu aux sites Ml et M2 selon le degre de distorsion attribuable au Cu, Le cuivre n'occupe qu'un seul des sites dans le siderotil, M1. et la composition devrait etre (Fe,Zn,Mg) 0 . 7 3 Cu 0 . 2 7 SO 4 .5H 2 O pour rendre compte de la distorsion du site.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".