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Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)

Additional Functions

Collectors Summary

Crystal System trigonal, R3m

Chemism

Chemical formula

Na37Ca10Mn2FeZr6Si50(Ti,Nb)2O144(OH)5Cl3 · H2O

Chemical composition

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

Unit weight: 6000.3320672 u; Number of atoms in the formula: 268

Info

Empirical formula:

Na37Ca10Mn2FeZr6Si50(Ti0.75Nb0.25)2O144(OH)5Cl3·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.12

7

2.61

1.0079470

7.0556290

Oxygen

O

40.00

150

55.97

15.9994300

2,399.9145000

Sodium

Na

14.18

37

13.81

22.9897702

850.6214974

Silicon

Si

23.40

50

18.66

28.0855300

1,404.2765000

Chlorine

Cl

1.77

3

1.12

35.4532000

106.3596000

Calcium

Ca

6.68

10

3.73

40.0784000

400.7840000

Titanium

Ti

1.20

1.5

0.56

47.8671000

71.8006500

Manganese

Mn

1.83

2

0.75

54.9380499

109.8760998

Iron

Fe

0.93

1

0.37

55.8452000

55.8452000

Zirconium

Zr

9.12

6

2.24

91.2242000

547.3452000

Niobium

Nb

0.77

0.5

0.19

92.9063820

46.4531910

Strunz 9th edition incl. updates

9.CO.10

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

IMA Classification

IMA Classification

Eudialyte group

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

14.2032(1)

Cell parameters b (Å)

-

Cell parameters c (Å)

60.612(1)

Cell parameters a/b or c/a

4.267

Cell parameters c/b

-

Volume (ų)

10589.163

References

Rozenberg, K.A., Rastsvetaeva, R.K., Aksenov, S.M. - Crystal Structure of Modular Sodium-Rich and Low-Iron Eudialyte from Lovozero Alkaline Massif. Crystallography Reports: 61 (2016) 779-785; http://forum.amiminerals.it/viewtopic.php?f=5&t=13099 (2016)

IMA group assignments

Other languages

English

Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)

German

unbenamt (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)

IDs

GUSID (Global unique identifier short form) sJrnOWzmR0-krOw8bFFnow
GUID (Global unique identifier) 39E79AB0-E66C-4F47-A4AC-EC3C6C5167A3
Database ID 8931