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Dualite

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Dualith
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Dualith
weiße Massen von Dualith, Alluaiv, Lovozero, Kola, Russland; BB ~ 1 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Alluaiv
Mineral: Dualite
Image: 1581008513
License: Usage for Mineralienatlas project only
Dualith

weiße Massen von Dualith, Alluaiv, Lovozero, Kola, Russland; BB 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-02-06
Locality: Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color limonengelb
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5
Fracture muschelig
Solubility +++ Säuren
Crystal System trigonal, R3m
Morphology xenomorph bis maximal 0,5mm große Körner

Chemism

Chemical formula

Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9

Additional chem. information

Eudialyt Gruppe

Chemical composition

Calcium, Cerium, Chlor, Eisen, Mangan, Natrium, Silicium, Strontium, Titan, Zirconium, Sauerstoff, Wasserstoff

Unit weight: 5861.1886107 u; Number of atoms in the formula: 269.8

Info

Empirical formula:

Na30(Ca0.55Na0.3Ce0.1Sr0.05)12(Na0.55Mn0.3Fe0.1Ti0.05)6Zr3Ti3MnSi51O144((OH)0.6(H2O)0.3Cl0.1)9

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.19

10.8

4.00

1.0079470

10.8858276

Oxygen

O

41.52

152.1

56.38

15.9994300

2,433.5133030

Sodium

Na

14.47

36.9

13.68

22.9897702

848.3225204

Silicon

Si

24.44

51

18.90

28.0855300

1,432.3620300

Chlorine

Cl

0.54

0.9

0.33

35.4532000

31.9078800

Calcium

Ca

4.51

6.6

2.45

40.0784000

264.5174400

Titanium

Ti

2.70

3.3

1.22

47.8671000

157.9614300

Manganese

Mn

2.62

2.8

1.04

54.9380499

153.8265397

Iron

Fe

0.57

0.6

0.22

55.8452000

33.5071200

Strontium

Sr

0.90

0.6

0.22

87.6210000

52.5726000

Zirconium

Zr

4.67

3

1.11

91.2242000

273.6726000

Cerium

Ce

2.87

1.2

0.44

140.1161000

168.1393200

Analysis wt%

SiO2 : 51.26, Nb2O5 : 1.94, TiO2 : 4.40, ZrO2 : 5.39, FeO : 1.04, MnO : 2.58, La2O3 : 0.79, Ce2O3 : 1.84, Nd2O3 : 0.88, CaO : 8.03, SrO : 1.37, Na2O : 17.74, Cl : 0.58, H2O : 1.39, Ln2O3 : 3.51 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2007)

Strunz 9th edition incl. updates

9.CO.10

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
O: ~[Si9O27]18- neuner-Ringe
10:Eudialyt-Gruppe

Lapis Classification

VIII/E.25-095

VIII: SILIKATE
E: Ringsilikate
25: Neunerringe + Dreierringe; Eudialyt-Gruppe

Classification by Hölzel

9.CG.350

9: SILICATES
C: Cyclosilicates
G: ~[Si3O9]6-- + ~[Si9O27]18--Rings Eudialyte-Group
3: Eudialyte-Subgroup - c=60 Series

IMA status

anerkannt 2005

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Eudialyte group

Optical Properties

Color

limonengelb

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend

Lustre

Glasglanz

max. Birefringence

0.003

Birefringence chart\! Dualite title=Birefringence chart Dualite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.610

RI value γ / ε

1.613

Ri mean

1.611

Pleochroism

kein

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

14.153

Cell parameters b (Å)

-

Cell parameters c (Å)

60.72

Cell parameters a/b or c/a

4.290

Cell parameters c/b

-

Z

3

Volume (ų)

10533.178

X-Ray Powder Diffraction

7.11(40), 4.31(50), 2.964(100), 2.839(90), 2.675(30), 2.159(60), 1.770(60), 1.362(50)

XRD chart Dualite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphology

xenomorph bis maximal 0,5mm große Körner

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.84 gemessen

2.772 ( ρ calc. Mineralienatlas )

Fracture

muschelig

Tenacity

spröde

Instability

+++ Säuren

Preface

Associations

Na-K-Feldspäte, Nephelin, Sodalith, Cancrinit, Aegirin, Eudialyt, Lovozerit, Vuonnemit, Lamprophyllit, Sphalerit, Villiaumit

Name from

dualis (zweifach), da Zugehörigkeit zu den Zirkono-und Titanosilikaten

References

Khomyakov, A.P., Nechelyustov, G.N., Rastsvetaeva, R.K. (2007): Proceedings of the Russian Mineralogical Society, 136(3), 31-42.

IMA group assignments


 
 
Na15[(Ce1.5Na1.5)Mn3]Mn2Zr3☐Si[Si24O69(OH)3](OH)2·H2O
trigonal
R3

 
 
(H3O)8(Na, K, Sr)5Ca6Zr3Si26O66(OH)9Cl
trigonal
R3

 
 
Na11-12(Na,Ce)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2·SiO]·H2O
trigonal
R3m

 
 
Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9
trigonal
R3m

 
 
Na15Ca6(Fe2+,Mn2+)3Zr3[(Cl,OH)|Si(O,OH,H2O)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5
trigonal
R3m

 
 
Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2
trigonal
R3m

 
 
Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2·H2O
trigonal
R3m

 
 
(Na,Ca)10Ca9Fe2Zr3NbSi25O72(OH)3CO3·H2O
trigonal
R3m

 
 
(Na,H3O)15(Ca,Mn)6Fe23+Zr3-4[Cl|{Si3O6(O,OH)3}2|(Si9O27)2·0-1 SiO] ·2-3 H2O
trigonal
R3m

 
 
(H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2·3H2O
trigonal
R3m

 
 
Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(OH)3(CO3)·H2O
trigonal
R3m

 
 
Na15(Ca,Ce,La)6(Mn2+,Fe2+)3Zr3Nb[O|(F,Cl,OH)|Si3O9|Si9O27]2·2H2O
trigonal
R3m

 
 
Na12Sr3Ca6(Fe2+Mn2+)3Zr3(W,Nb)[(OH,Cl)|Si0.5(O,OH)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Na14Ca6Mn3Zr3[Si26O72(OH)2](H2O,Cl,O,OH)6
trigonal
R3m

 
 
Na12Sr3Ca6(Mn2+,Fe2+)3Zr3(W,Nb)[(OH,Cl)|Si0.5(O,OH)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Na9(Ca,Na)6Ca6Fe2Zr3☐Si25O72(CO3)(OH)4
trigonal
R3m

 
 
Na14Ca6Zr3[Na2(Fe,Mn)][Si26O72](OH)2(H2O1.0Cl0.6S2-0.5)(OH,H2O)2.5
trigonal
R3m

 
 
Na9Sr3[(H2O)2Na]Ca6Mn3Zr3NbSi(Si24O72)O(OH)3 (CO3)·H2O
trigonal
R3m

 
 
Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2
trigonal
R3

 
 
Na15Ca3Fe3(Na,Zr)3Zr3Nb<0.5[(Cl,OH)|(Si3O9)2|(Si9O27)2·SiO]·3(OH,H2O)
trigonal
R3

 
 
Na27K8Ca12Fe3Zr6Si52O144(OH,O)6Cl2
trigonal
R3m

 
 
(H3O)12Na3(Ca3Mn3)(Na2Fe)Zr3Si[Si24O69(OH)3](OH)Cl⋅H2O
trigonal
R3

 
 
Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3·H2O
trigonal
R3

 
 
Na8Mn2+3Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,☐,Ti)O72(O,OH)3Cl·4H2O
trigonal
R3m

 
 
Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2
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
 
 

 
 
Na16Ca6(Mn,Ce)3Zr3(Si3O9)2(Si9O27)2(OH,Cl)4 · nH2O
trigonal
R3m

 
 
Na12(Ca,Mn)6(Sr,Na,K)3(Fe,Mn)3(Zr,Nb)4Si25O66(OH,Cl)11
trigonal
R3m

 
 
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

 
 
Na16Ca6(Fe,Mn)3Zr3(Ti,Nb)Si26O72FCl0.5 · nH2O
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
 
 

 
 
Na15(Ca3Mn3)Zr3(Fe,Zr)3SiSi(Si3O9)2(Si9O27)2O2(OH,F,Cl)3 · 2H2O
 
 

 
 
Na15Ca3(Mn,Fe)3Zr3(Zr,Na)3(Si,Nb)(S,Ti,Si)(Si3O9)2(Si9O27)2(O,OH)5(Cl,F,H2O)
 
 

 
 
Na33Ca12Zr6 Mn3(Mn,Nb,Ti)2Si50O132(O,OH)12(OH,H2O,Cl)10
 
 

 
 
[Na,(H3O)]15(Ca3Mn3)Na3Zr3(Si,Ti)[Si25O72OH](OH)2 · 2H2O
 
 

 
 
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

 
 
(Na,☐)12(Ce,Na)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O
trigonal
R3m

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Actuality: 11. Jul 2024 - 13:55:50

Other languages

English

Dualite

German

Dualith

Russian

Дуалит

Alternative Name

Dualyte

UM1999-37-SiO:CaClFeHMnMaREESrTiZr

CNMNC (IMA)-Number

IMA 2005-019

CNMNC symbol

Symbol

Dua

Locations with GPS information

IDs

GUSID (Global unique identifier short form) jj8KEVH6EkyPLZRZ690SFQ
GUID (Global unique identifier) 110A3F8E-FA51-4C12-8F2D-9459EBDD1215
Database ID 4419