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Eudialyte

Pictures (49 Images total)

Eudialyt
Views (Image: 1262990614): 7814, Rating: 8.75
Eudialyt

Fundort: Brevik, Langesundsfjord, Norwegen; Kristall 2,7 cm

Collection: Michael K.
Copyright: Michael K.
Contribution: Michael K. 2010-01-08
Locality: Langesundsfjord / Larvik / Vestfold og Telemark, Provinz / Norwegen
Eudialyt
Views (Image: 1402993080): 5316
Eudialyt

Bildbreite: 4 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2014-06-17
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Eudialyt
Views (Image: 1165417219): 2694
Eudialyt

Bildbreite: 3 mm; Fundort Mont Saint-Hilaire, Quebéc, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-06
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Eudialyt
Views (Image: 1104928132): 5295
Eudialyt

Einzelkristall; Fundort: Flora, Lovozero, Kola, Russland; Bildbreite: 5mm

Copyright: UlrichW
Contribution: Mineralienatlas 2005-01-05
Locality: Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Eudialyt
Views (Image: 1402839834): 889
Eudialyt

Bildbreite: 2 mm; Fundort: Poudrette Quarry, Mont Saint-Hilaire, Rouville Co., Québec, Kanada

Copyright: Stephan Wolfsried
Contribution: Hg 2014-06-15
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada
Eudialyt
Views (Image: 1122212248): 2026
Eudialyt

mit schwarzen Aeigrin xx; Bildbreite: 4 mm; Fundort: Mont Saint-Hilaire, Quebéc, Kanada

Copyright: Stephan Wolfsried
Contribution: JHM 2005-07-24
Locality: Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry) / Mont Saint-Hilaire / La Vallée-du-Richelieu RCM / Montérégie, Region / Québec / Kanada

Collectors Summary

Color braunrot / rosarot / gelbbraun
Streak color weiß
Lustre Glasglanz bis Harzglanz
Hardness (Mohs) 5.00 - 5.50
Solubility +++ HCl
Crystal System trigonal, R3m
Morphology dicktafelig, tafelig nach der Basis; kurzprismatisch nach der c-Achse; rhomboedrisch; oktaederähnlich, selten flächenreich, bisweilen Zonarbau; ein- und aufgewachsene Kristalle; körnige und derbe Aggregate

Chemism

Chem­ical formula

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

Chem­ical com­po­si­tion

Calcium, Chlor, Eisen, Mangan, Natrium, Silicium, Zirconium, Sauerstoff, Wasserstoff

Unit weight: 3035.724632925 u; Number of atoms in the formula: 133.5

Info

Empirical formula:

Na15Ca6(Fe0.75Mn0.25)3Zr3[(Cl0.75(OH)0.25)Si(O0.6(OH)0.3(H2O)0.1)2Si3O9Si9O27]2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.08

2.5

1.87

1.0079470

2.5198675

Oxygen

O

40.32

76.5

57.30

15.9994300

1,223.9563950

Sodium

Na

11.36

15

11.24

22.9897702

344.8465530

Silicon

Si

24.05

26

19.48

28.0855300

730.2237800

Chlorine

Cl

1.75

1.5

1.12

35.4532000

53.1798000

Calcium

Ca

7.92

6

4.49

40.0784000

240.4704000

Manganese

Mn

1.36

0.75

0.56

54.9380499

41.2035374

Iron

Fe

4.14

2.25

1.69

55.8452000

125.6517000

Zirconium

Zr

9.02

3

2.25

91.2242000

273.6726000

Anal­y­sis wt%

SiO2 : 52.10, TiO2 : 1.15, ZrO2 : 9.70, FeO : 6.06, CaO : 13.29, Na2O : 14.60, Cl : 2.43, H2O : 0.65 (Ref: PD90)

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.25-010

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

Clas­sifica­tion by Hölzel

9.CG.100

9: SILICATES
C: Cyclosilicates
G: ~[Si3O9]6-- + ~[Si9O27]18--Rings Eudialyte-Group
1: Eudialyte-Group - c=30, Fe- Series

Dana 8th edi­tion

64.01.01.01

64: Cyclosilicates Cyclosilicates
01: Cyclosilicates Cyclosilicates Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
01: Eudialyte Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Eudialyte group

Optical Properties

Color

braunrot / rosarot / gelbbraun

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

Lus­tre

Glasglanz bis Harzglanz

max. Birefrin­gence

0.008

Birefringence chart\! Eudialyte title=Birefringence chart Eudialyte

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

1.606

RI value γ / ε

1.614

Ri mean

1.609

2V angle

Uniaxial (+)

Optical Data Luminescence

Color LW-UV (365nm)

 

orange

Most Common Acti­vator

Mn2+

Other Acti­vators

Ti3+

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell param­e­ters a (Å)

14.257

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

30.134

Cell param­e­ters a/b or c/a

2.114

Cell param­e­ters c/b

-

Z

3

Volumne (ų)

5304.491

X-Ray Pow­der Diffrac­tion

7.12(40),
5.71(40),
4.31(50),
3.403(40),
3.217(50),
3.165(30),
2.977(80),
2.857(100)

XRD chart Eudialyte

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

Morphol­ogy

dicktafelig, tafelig nach der Basis; kurzprismatisch nach der c-Achse; rhomboedrisch; oktaederähnlich, selten flächenreich, bisweilen Zonarbau; ein- und aufgewachsene Kristalle; körnige und derbe Aggregate

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.00 - 5.50

VHN (Hard­ness Vick­ers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.8-3.1 - abhängig von der Zusammensetzung

2.851 ( ρ calc. Mineralienatlas )

Radioac­tiv­ity

nicht bekannt

Insta­bil­ity

+++ HCl

Chem­ical Prop­er­ties and Tests

chemisch - säurelöslich; durch Röntgenanalyse; Reinigung mit Wasser

(Co-)Type locality

(Co-)Type locality

Grönland/Kommune Kujalleq/Narsaq/Ilimaussaq-Komplex

Preface

Occurrences

magmatisch - in allen Gesteinen des Alkalimassivs verbreitet

Asso­cia­tions

Lamprophyllit, Nephelin, Lorenzenit, Zirkon u.a.

Rare­ness

recht verbreitet bis selten

Name from

dem griechischen eu - gut und dialytos - zerlegbar

Author (Name, Year)

Stromeyer, 1819

Rel­evance, Usage

hochfeuerfeste Keramik (Zirkonoxid); Metallurgie; Elektrotechnik; Chemie; Raketentechnik; Sammlermineral u.a. ..

Col­lector informa­tion

Unterscheidung: Härte, leichte Säurelöslichkeit

Addi­tional Informa­tion

Neue Mineralgruppe / Eudialyt ; ähnliche Mineralien: einige Granate; Bezeichnung aus den griech. Wörtern eu - gut und dialysis - Auflösung zusammengesetzt (Stromeyer, 1819)

References

Canadian Mineralogist 41 (2003), 785

IMA group assignments


 
 
(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

 
 
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: 23. Jun 2022 - 11:18:14

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ユージアル石

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異性石

Alternative Name

Almandine spar

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