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UM2003-39-SiO:CaClFeHHfNaNbSrTaTiZr

Collectors Summary

Crystal System trigonal, R3m

Chemism

Chemical formula

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

Chemical composition

Aluminium, Calcium, Chlor, Eisen, Hafnium, Mangan, Natrium, Niob, Silicium, Strontium, Tantal, Titan, Zirconium, Kalium, Sauerstoff, Wasserstoff, Wolfram

Unit weight: 3199.04351481 u; Number of atoms in the formula: 133.725

Info

Empirical formula:

Na12(Na0.55K0.3Mn0.1Sr0.05)2Ca5(Ca0.75Mn0.25)(Zr0.75Hf0.25)3(Fe,◻,Ta)3(Si0.6Nb0.3W0.1)(Si0.6Al0.3Ti0.1)Si24O72((OH)0.75O0.25)3.5Cl·1.2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.16

5.03

3.76

1.0079470

5.0649337
Oxygen

O

38.36

76.7

57.36

15.9994300

1,227.1562810
Sodium

Na

9.41

13.1

9.80

22.9897702

301.1659896
Aluminium

Al

0.25

0.3

0.22

26.9815382

8.0944615
Silicon

Si

22.12

25.2

18.84

28.0855300

707.7553560
Chlorine

Cl

1.11

1

0.75

35.4532000

35.4532000
Potassium

K

0.73

0.6

0.45

39.0983100

23.4589860
Calcium

Ca

7.20

5.75

4.30

40.0784000

230.4508000
Titanium

Ti

0.15

0.1

0.07

47.8671000

4.7867100
Manganese

Mn

0.77

0.45

0.34

54.9380499

24.7221225
Iron

Fe

1.75

1

0.75

55.8452000

55.8452000
Strontium

Sr

0.27

0.1

0.07

87.6210000

8.7621000
Zirconium

Zr

6.42

2.25

1.68

91.2242000

205.2544500
Niobium

Nb

0.87

0.3

0.22

92.9063820

27.8719146
Hafnium

Hf

4.18

0.75

0.56

178.4920000

133.8690000
Tantalum

Ta

5.66

1

0.75

180.9479100

180.9479100
Tungsten

W

0.57

0.1

0.07

183.8410000

18.3841000

Strunz 9th edition incl. updates

9.CO.10

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

Mineral status

unbenannt gültig

IMA Classification

IMA Classification

 Eudialyte group

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters b (Å)

-

Cell parameters c/b

-

References

Dorian G.W. Smith & Ernest H. Nickel (2007) A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist v. 45, p.983-1055

IMA group assignments

CNMNC (IMA)-Number

UM2003-39-SiO:CaClFeHHfNaNbSrTaTiZr

IDs

GUSID (Global unique identifier short form) AmelGDCYPU6hkjwcP4Isxg
GUID (Global unique identifier) 18A56702-9830-4E3D-A192-3C1C3F822CC6
Database ID 6605