Mineralienatlas - Fossilienatlas
Siudaite (Siudait) |
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Siudait orangebraunes Aggregat von Siudait, Eveslogchorr, Chibiny Massiv, Murmansk, Russland; BB ~ 1 mm, analysiert Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Eweslogchorr (Eveslogchorr) Mineral: Siudaite Image: 1584798420 License: Usage for Mineralienatlas project only |
Siudait |
orangebraunes Aggregat von Siudait, Eveslogchorr, Chibiny Massiv, Murmansk, Russland; BB 1 mm, analysiert |
Copyright: | MinTreasure.com (Carsten Slotta) |
Contribution: openpit 2020-03-21 |
Locality: Eweslogchorr (Eveslogchorr) / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland |
Collectors Summary
Color | gelb, braungelb |
Streak color | weiß |
Lustre | Glasglanz |
Hardness (Mohs) | 4.5 |
Cleavages | keine festgestellt |
Crystal System | trigonal, R3m |
Morphology | Anhedrale Körner bis zu 1,5 cm Durchmesser |
Chemism
Chemical formula |
Na8Mn2+3Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,☐,Ti)O72(O,OH)3Cl·4H2O |
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Empirical formula (analysis) |
[Na7.57(H2O)1.43]Σ9 (Mn1.11Na0.88Ce0.31La0.20Nd0.05Pr0.04K0.41)Σ3(H2O)1.8(Ca5.46Mn0.54)Σ6 (Fe3+1.76Mn2+1.19)Σ2.95 Nb0.65(Ti0.20Si0.50)Σ0.71(Zr2.95Hf0.04Ti0.01)Σ3Si24.00Cl0.47O70(OH)2Cl0.47·1.82H2O |
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Additional chem. information |
Chemisch verwandt mit Georgbarsanovit |
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Chemical composition |
Calcium, Chlor, Eisen, Mangan, Natrium, Niob, Silicium, Titan, Zirconium, Sauerstoff, Wasserstoff, Vakanz |
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Analysis wt% |
Na2O 8.40, |
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Strunz 9th edition incl. updates |
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9: Silikate (Germanate) |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Eudialyte group |
Optical Properties
Crystallography
Physical Properties
4.5 |
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2.96 (gemessen), 2.973 (berechnet) |
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2.951 ( ρ calc. Mineralienatlas ) |
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keine festgestellt |
(Co-)Type locality
(Co-)Type locality |
Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Eweslogchorr (Eveslogchorr) |
Type material |
Typmaterial wird in der Sammlung der Mineralogischen und Petrologischen Sektion , Museum of Earth PAS (Muzeum Ziemi Polskiej Akademii Nauk), aleja Na Skarpie 20/26, PL-00-488 Warsaw, Poland, Katalognummer MZI III/1/541 gelagert. |
Paragenesis of type material |
Aegirin, Albit, Mikroklin, Nephelin, Astrophyllit, Loparit-(Ce) |
Preface
Name from |
Siudaite ist nach dem polnischen Mineralogen und Geochemiker Rafał Siuda (Geb. 1975) benannt. |
Author (Name, Year) |
Britvin, S.N. and Vozchikova, S.A. (2018) |
References
Chukanov, N.V., Rastsvetaeva, R.K., Kruszewski, L., Aksenov, S.M., Rusakov, V.S., Britvin, S.N., Vozchikova, S.A. (2018): Siudaite, Na8(Mn2+2Na)Ca6Fe3+3Zr3NbSi25O74(OH)2Cl·5H2O: a new eudialyte-group mineral from the Khibiny alkaline massif, Kola Peninsula. Physics and Chemistry of Minerals, 45, (in press). https://doi.org/10.1007/s00269-018-0959-9 Britvin, S.N. and Vozchikova, S.A. (2018) Siudaite, IMA 2017-092. CNMNC Newsletter No. 41, February 2018, page xxx; Mineralogical Magazine, 82, xxx-xxx |
IMA group assignments
Na14Ca6Zr3[Na2(Fe,Mn)][Si26O72](OH)2(H2O1.0Cl0.6S2-0.5)(OH,H2O)2.5 trigonal R3m Na12Ca5(Ce,La,Y,Ca)Zr3(Zr,Nb)(Fe,Mn)3[Si9O24-26(OH)1-3]2[Si3O9]2Cl trigonal R3m (H3O)7(Na,K)5(Ca,Sr,Mn)6Zr3[Si3O7(O,OH)2]2[Si9O23(O,OH)4]2[SiNaFe(Zr,Ti,Al,Nb)◻]Cl1.5(O,OH) trigonal R3m Na14Ca4(Mn,Ca)2Zr3(Si3O9)2(Si9O27)2(Si,Nb,Al,Zr)2(Fe,Mn,Al,Ti)3(Na,Ce,La,Y,Mn)(Na,H2O,K,Sr)(OH)7-8 Zr4(Ca,Na,Mn,Fe)6(Fe,Mn,Ti)3Na17Si25O75(Al,Nb,Ti)Cl(OH)4.H2O trigonal R3m Na14(Na,Ca,Ce)(Mn,Ca,Ce)[Fe1.55(Zr,Na)(◻,Ti,Nb)]Zr3(Si,Al)(Si3O9)2(Si9O27)2(OH,O)4(F ,Cl) · H2O Na12(Na,K,Mn,Sr)2Ca5(Ca,Mn)(Zr,Hf)3(Fe,◻,Ta)3(Si,Nb,W)(Si,Al,Ti)Si24O72(OH,O)3.5Cl · 1.2H2O trigonal R3m [(H3O)9.32Na5.86K0.53Ba0.36Sr0.15][Ca5.22Sr0.49Ce0.16Mn0.13][Zr2.42Ti0.54Hf0.02Nb0.02][Na1.48(Fe0.10(H2O)0.1)][Si1.0(OH)1.0][Si0.44Al0.06(OH)0.50][Si3O9]2[Si9O26.25(OH)0.75]2Cl1.0·1H2O [(H3O)9.26Na2.12K1.20Ba0.46Sr0.48][Ca5.76Ce0.24][Zr2.92Ti0.08][Na0.62(Fe0.23Mn0.11(H2O)0.34)][(Si0.57)(Si0.21Al0.19Nb0.03)(OH)1.44][(Si0.45)(Ti0.21)(Si0.34)(O,OH)0.34(OH)1.08][Si0.19(OH)0.57] [Si3O9]2[Si9O27]2Cl1.05·0.8H2O [(H3O)10.85Na3.3Sr0.48K0.21Ce0.2Y0.1Ba0.04][Ca2.1Na0.9][Ca2.4Na0.3Mn0.3][Zr2.97Hf0.03][Fe1.32Mn0.6O1.44(H2O)1.80][(Ti0.22Nb0.02)(Si0.23)(Si0.19)(OH)0.42][(Si0.44)(Nb0.1Al0.1)(Nb0.0)(OH)0.44][Si3O9]2[Si9O26.01(OH)0.99]2Cl1.0·1.19H2O [(H3O)11.61Na3.0Sr0.63Ce0.22K0.2Y0.05Ba0.03][Ca2.25Na0.75][Ca2.4Mn0.6][Zr2.98Hf0.02][Fe3+0.66Mn0.3Mn0.3(H2O)1.43(OH)0.79][(Ti0.16Al0.07Mg0.03)(Si0.17)(OH)0.17][(Si0.50)(Si0.31)(Nb0.18Ta0.01)(OH)0.81][Si3O9]2[Si9O26.14(OH)0.86]2Cl1.1·0.63H2O [(H3O)5.58Na5.25Ce0.63K0.3Y0.19Sr0.05][Ca3][Ca1.71Mn1.29][Zr2.96Hf0.04][(Fe3+1.0Fe2+0.35)(Fe3+0.57)(Zr0.32Mn0.22)(O,OH)1.77(H2O)1.34][(Zr0.18)(Si0.5)(OH)0.5][(Nb0.41)(Al0.2Ti0.05)(Si018)(OH)0.93][Si3O9]2[Si9O26.28(OH)0.72]2Cl0.2·1.45H2O [(H3O)8.53Na3.51Sr0.55Ce0.45Y0.3Ba0.15K0.06][Ca2.25Sr0.45Na0.3][Ca2.4Mn0.6][Zr2.97Hf0.03][(Mn0.64Fe0.38)O0.3(H2O)0.72][(Si0.49)(Si0.41)(Nb0.1)(OH)0.9][(Si0.29)(Si0.2)(Ti0.1Mg0.07Nb0.02)(OH)1.06][Si3O9]2[Si9O26.52(OH)0.48]2·2.12H2O Na15Ca3(Mn,Fe)3Zr3(Zr,Na)3(Si,Nb)(S,Ti,Si)(Si3O9)2(Si9O27)2(O,OH)5(Cl,F,H2O) Na14Ca5(Mg,Ca,Mn)Zr3(Si3O9)2(Si9O27)2(Si,Nb,Al,Zr)2(Fe,Zr)3(Mn,Na,Ce,La,Y)(Na,H2O,K,Sr)(OH)4-5(OH,Cl) Na29Ca12Zr6[Si48O132(O,OH)12]{[Na]4[Si]2}{[Mn]3[Mn,Nb,Ti]2}(OH,H2O,Cl)10 trigonal R3m Na37Ca10Mn2FeZr6Si50(Ti,Nb)2O144(OH)5Cl3 · H2O trigonal R3m | |
Refresh list | Actuality: 23. Mar 2024 - 09:04:54 |
Other languages
German |
Siudait |
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English |
Siudaite |
CNMNC (IMA)-Number
IMA 2017-092 |
CNMNC symbol
Symbol |
Siu |
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Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | l_5yQvRCDUqEPle230tCdQ |
GUID (Global unique identifier) | 4272FE97-42F4-4A0D-843E-57B6DF4B4275 |
Database ID | 8475 |