Arsenite minerals

Arsenite minerals are very rare oxygen-bearing arsenic minerals. Classical world localities where such minerals occur include the complex skarn manganese deposit at Långban (Sweden) and the polymetallic Tsumeb deposit (Namibia). The most often reported arsenite anion in minerals is the AsO33− anion, present for example in reinerite Zn3(AsO3)2. Unique diarsenite anions occur i. e. in leiteite Zn[As2O4] and paulmooreite Pb[As2O5]. More complex arsenites include schneiderhöhnite Fe2+Fe3+3[As5O13] and ludlockite PbFe3+4As10O22.[1][2][3]

## Nickel–Strunz classification -04- oxides

IMA-CNMNC proposes a new hierarchical scheme (Mills et al., 2009). This list uses it to modify the Classification of Nickel–Strunz (mindat.org, 10 ed, pending publication).

* Abbreviations:
* "*" - IMA/CNMNC status: discredited.
* "?" - IMA/CNMNC status: questionable/doubtful.
* "REE" - Rare-earth element (Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu)
* "PGE" - Platinum-group element (Ru, Rh, Pd, Os, Ir, Pt)
* 03.C Aluminofluorides, 06 Borates, 08 Vanadates (04.H V[5,6] Vanadates), 09 Silicates:
* Neso: insular (from Greek νησος nēsos, island)
* Soro: grouping (from Greek σωροῦ sōros, heap, mound (especially of corn))
* Cyclo: ring
* Ino: chain (from Greek ις [genitive: ινος inos], fibre)
* Phyllo: sheet (from Greek φύλλον phyllon, leaf)
* Tekto: three-dimensional framework
* Nickel–Strunz code scheme: NN.XY.##x
* NN: Nickel–Strunz mineral class number
* X: Nickel–Strunz mineral division letter
* Y: Nickel–Strunz mineral family letter
* ##x: Nickel–Strunz mineral/group number, x add-on letter

### Class: arsenites

* 04.H V[5,6] Vanadates
* 04.HB Uranyl Sorovanadates: 05 Carnotite, 05 Margaritasite; 10 Sengierite; 15 Fritzscheite, 15 Curienite, 15 Francevillite; 20 Metavanuralite, 20 Vanuralite; 25 Metatyuyamunite, 25 Tyuyamunite; 30 Strelkinite, 35 Uvanite, 40 Rauvite
* 04.HC [6]-Sorovanadates: 05 Magnesiopascoite, 05 Lasalite, 05 Pascoite; 10 Hummerite, 15 Sherwoodite
* 04.HD Inovanadates: 05 Rossite, 10 Metarossite, 15 Munirite, 20 Metamunirite, 25 Dickthomssenite, 30 Ansermetite
* 04.HE Phyllovanadates: 05 Melanovanadite, 10 Shcherbinaite; 15 Hewettite, 15 Metahewettite; 20 Bokite, 20 Bariandite, 20 Corvusite, 20 Fernandinite, 20 Straczekite; 25 Haggite, 30 Doloresite, 35 Duttonite, 40 Cavoite
* 04.HF Tektovanadates: 05 Bannermanite
* 04.HG Unclassified V oxides: 05 Fervanite, 10 Huemulite, 15 Vanalite, 20 Simplotite, 25 Vanoxite, 30 Navajoite, 35 Delrioite, 40 Metadelrioite, 45 Barnesite, 50 Hendersonite, 55 Grantsite, 60 Lenoblite, 65 Satpaevite
* 04.J Arsenites, Antimonites, Bismuthites, Sulfites
* 04.JA Arsenites, antimonites, bismuthites; without additional anions, without H2O: 05 Leiteite, 10 Reinerite, 15 Karibibite; 20 Schafarzikite, 20 Trippkeite, 20 Kusachiite; 25 Apuanite, 30 Versiliaite, 35 Schneiderhohnite, 40 Zimbabweite; 45 Ludlockite, 45 Ludlockite-(Pb)*; 50 Paulmooreite, 55 Stibivanite, 60 Chadwickite
* 04.JB Arsenites, antimonites, bismuthites; with additional anions, without H2O: 05 Fetiasite, 10 Manganarsite, 15 Magnussonite, 20 Armangite, 25 Nanlingite, 30 Asbecasite, 35 Stenhuggarite, 40 Trigonite, 45 Finnemanite, 50 Gebhardite; 55 Derbylite, 55 Graeserite, 55 Tomichite; 60 Hemloite, 65 Freedite, 70 Georgiadesite, 75 Ekatite
* 04.JC Arsenites, antimonites, bismuthites; without additional anions, with H2O: 05 Cafarsite, 10 Lazarenkoite, 15 Rouseite, 20 Vajdakite
* 04.JD Arsenites, antimonites, bismuthites; with additional anions, with H2O: 05 Nealite, 05 Nealite-(H2O)*; 10 Seelite-1, 10 Seelite-2; 15 Tooeleite
* 04.JE Sulfites: 05 Gravegliaite, 10 Hannebachite, 15 Orschallite, 20 Scotlandite
* 04.JF Selenites without additional anions, without H2O: 05 Molybdomenite
* 04.JG Selenites with additional anions, without H2O: Prewittite; 05 Parageorgbokiite, 05 Georgbokiite; 10 Chloromenite, 15 Sofiite, 20 Ilinskite, 25 Francisite, 30 Derriksite, 35 Burnsite, 40 Allochalcoselite
* 04.JH Selenites without additional anions, with H2O: 05 Chalcomenite; 10 Ahlfeldite, 10 Clinochalcomenite, 10 Cobaltomenite; 15 Mandarinoite, 20 Orlandiite, 25 Larisaite
* 04.JJ Selenites with additional anions, with H2O: 05 Marthozite, 10 Guilleminite, 15 Piretite, 20 Demesmaekerite, 25 Haynesite
* 04.JK Tellurites without additional anions, without H2O: 05 Walfordite, 05 Winstanleyite, 10 Spiroffite, 10 Zincospiroffite, 15 Balyakinite, 20 Rajite, 25 Carlfriesite, 30 Denningite, 35 Chekhovichite, 40 Smirnite, 45 Choloalite, 50 Fairbankite, 55 Plumbotellurite, 60 Magnolite, 65 Moctezumite, 70 Schmitterite, 75 Cliffordite
* 04.JL Tellurites with additional anions, without H2O: 05 Rodalquilarite, 10 Mackayite, 15 Mroseite, 20 Pingguite, 25 Tlapallite, 30 Girdite
* 04.JM Tellurites without additional anions, with H2O: 05 Keystoneite, 05 Kinichilite, 05 Zemannite, 10 Emmonsite, 15 Graemite, 20 Teineite
* 04.JN Tellurites with additional anions, with H2O: 05 Sonoraite, 10 Poughite; 15 Cesbronite, 15 Cesbronite-x; 20 Eztlite, 25 Oboyerite, 30 Juabite
* 04.K Iodates
* 04.KA Iodates without additional anions, without H2O: 05 Lautarite
* 04.KB Iodates with additional anions, without H2O: 05 Salesite, 10 Schwartzembergite, 15 Seeligerite
* 04.KC Iodates without additional anions, with H2O: 05 Bellingerite, 10 Bruggenite
* 04.KD Iodates with additional anions, with H2O: 05 Dietzeite, 10 George-ericksenite
* 04.X Unclassified Strunz Oxides (Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
* 04.XX Unknown: 00 Methane hydrate-I, 00 Methane hydrate-II, 00 Methane hydrate-H

## References

1. ↑ Mindat
2. ↑ Handbook of Mineralogy
3. ↑ Webmineral

* Stuart J. Mills; Frédéric Hatert; Ernest H. Nickel; Giovanni Ferraris (2009). "The standardisation of mineral group hierarchies: application to recent nomenclature proposals". Eur. J. Mineral. 21: 1073–1080. doi:10.1127/0935-1221/2009/0021-1994. http://pubsites.uws.edu.au/ima-cnmnc/Mills et al 2009 Groups EJM October.pdf.
* "IMA-CNMNC List of Mineral Names". IMA-CNMNC. March 2009. http://pubsites.uws.edu.au/ima-cnmnc/IMA2009-01 UPDATE 160309.pdf.
* Ferraiolo, Jim. "Nickel–Strunz (Version 10) Classification System". webmineral.com. http://webmineral.com/strunz/strunz.php.

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white;">IMA–CNMNC / Nickel–Strunz IDs
Mineral categories (classes, subclasses, divisions)

"Special cases"
("native elements and organic minerals")|

* "Native elements" (IDs 1)
* Organic minerals (IDs 10)

"Sulfides and oxides"|

* Sulfides (IDs 2.A–F)
* Sulfosalts; sulfarsenites, sulfantimonites, sulfbismuthites (IDs 2.G)

* Sulfosalts; sulfarsenates, sulfantimonates (IDs 2.K)
* Other sulfosalts (IDs 2.H–J and 2.L–M)

* Oxides (IDs 4.A–E, e.g. pyrochlore supergroup and corundum group)

* Hydroxides (IDs 4.F–G)
* "Arsenites", "sulfites" and iodates (IDs 4.J–K)

* Tellurium oxysalts
* Vanadium oxides (IDs 4.H)

"Evaporites and similars"|

* Carbonates (IDs 5.A–E)
* Nitrates (IDs 5.N)
* Borates (IDs 6)
* Halides (IDs 3)

"Mineral structures with tetrahedral units"
(sulfate anion, phosphate anion,
silicon, etc.)|

* Monomeric minerals (similar to nesosilicates)

* Sulfates (IDs 7.A–E)
* Thiosulphates (IDs 7.J)

* Chromates (IDs 7.F)
* Molybdates, wolframates, niobates (IDs 7.G–H)

* Phosphates (IDs 8)
* Arsenates, vanadates (IDs 8)

* Monomeric, isolated silicates (IDs 9.A)
* Germanates (IDs 9.J)

* Silicate frameworks, tectosilicates

* Zeolite frameworks, zeolite family (IDs 9.G)

* Other zeolitic frameworks: nephelines (IDs 9.FA.05)
* Cancrinite-sodalite groups (IDs 9.FB.)

* Other tectosilicates (IDs 9.FA. and 9.FB.15, e.g. feldspars)

* Other silicate frameworks

* Cyclosilicates (IDs 9.C)
* Phyllosilicates (IDs 9.E, e.g. clays)
* Silica family (IDs 4.DA.)

* Inosilicates

* Single chain inosilicates (IDs 9.D, e.g. pyroxenes)

* Ribbon or multiple chain inosilicates (IDs 9.D, e.g. amphiboles)

* Other non monomeric minerals

* Unclassified silicates (IDs 9.H)

* Sorosilicates (IDs 9.B, e.g. epidote and seidozerite supergroups)

* Polymeric, isolated silicates (IDs 9.A, e.g. olivine and gadolinite supergroups)

* Other inorganic polymers (e.g. polyoxometalates; "polyphosphates", IDs 8.F)

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