New minerals approved in 2002 and nomenclature modifications approved 1998–2002 by the Commission on New Minerals and Mineral Names, International Mineralogical Association
Bibliographic record
Abstract
The information given here is provided by the Commission on New Minerals and Mineral Names, I. M. A. for comparative purposes and as a service to mineralogists working on new species. Each mineral is described in the following format: IMA No. Chemical Formula (any relationship to other minerals; structure analysis) Crystal system, space group unit-cell parameters Color; luster; diaphaneity Optical properties Strongest lines in the X-ray powder diffraction pattern The names of these approved species are considered confidential information until the authors have published their descriptions or released information themselves. No other information will be released by the commission. IMA No. 2002–001 (Ce,La,Nd,Ba)(Fe3+,Al)3[(As,Al)O4]2(OH)6 Fe-dominant analogue of arsenoflorencite-(Ce) Trigonal: R 3 m a 7.260, c 16.77 A Light-green to brownish; resinous; transparent Uniaxial(-), mean refractive index = 1.97 5.906(25), 3.636(40), 3.052(100), 2.792(30), 2.239(35), 1.817(35) IMA No. 2002–002 (□,K)1(Mg,Fe2+)3Fe3+2 [Si12O30] Milarite group; structure determined Hexagonal: P 6/ mcc a 10.050, c 14.338 A Deep blue to yellowish-green; vitreous; translucent Uniaxial (-), ω 1.589, e 1.586 8.70(97), 7.17(100), 5.535(96), 5.026(61), 4.352(53), 3.207(85) IMA No. 2002–003 NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4•7H2O Labuntsovite group; structure determined Monoclinic: Cm a 14.495, b 13.945, c 7.838 A, β 117.75° White, pale-brown; vitreous; translucent to transparent Biaxial (+), α 1.680, β 1.687, γ 1.787, 2V(meas.) 25°, 2V(calc.) 31° 6.96(100), 3.21(80), 3.11(90), 2.60(35), 2.50(40), 1.74(30), 1.70(40) IMA No. 2002–004 CoSO4•H2O Kieserite group Monoclinic: C2/ c a 6.980, b 7.588, c 7.639 A, β 118.65° Pink; powdery; transparent Biaxial (+), n ~ 1.65 (calc.) 4.83(33), 3.405(100), 3.339(34), 3.291(32), 3.062(56), 2.567(30), 2.513(49) IMA No. 2002–005 (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3H2O …
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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 | 0.005 | 0.012 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.007 | 0.009 |
| Science and technology studies | 0.004 | 0.002 |
| Scholarly communication | 0.006 | 0.005 |
| Open science | 0.004 | 0.003 |
| Research integrity | 0.004 | 0.005 |
| Insufficient payload (model declined to judge) | 0.102 | 0.087 |
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".