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Oxynatropyrochlore

Additional information / Summary

Spezies von ehemals Bismutopyrochlor oder Uranpyrochlor sind möglicherweise Oxynatropyrochlor

Chemism

Chem­ical formula

(Na,Ca,U)2Nb2O6(O,OH)

Chem­ical com­po­si­tion

Calcium, Natrium, Niob, Sauerstoff, Uran, Wasserstoff

Unit weight: 397.30130759 u; Number of atoms in the formula: 11.25

Info

Empirical formula:

(Na0.6Ca0.3U0.1)2Nb2O6(O0.75(OH)0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.06

0.25

2.22

1.0079470

0.2519868
Oxygen

O

28.19

7

62.22

15.9994300

111.9960100
Sodium

Na

6.94

1.2

10.67

22.9897702

27.5877242
Calcium

Ca

6.05

0.6

5.33

40.0784000

24.0470400
Niobium

Nb

46.77

2

17.78

92.9063820

185.8127640
Uranium

U

11.98

0.2

1.78

238.0289130

47.6057826

Lapis Clas­sifica­tion

IV/C.12-014

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und ver-wandte Verbindungen)
12: Pyrochlor-Gruppe; PYROCHLOR-Untergruppe [Nb ± Ta]

Clas­sifica­tion by Hölzel

4.CH.040

4: OXIDES
C: R2O3 Sesquioxides
H: Pyrochlore-Group, Nb-dominant on the B-site

IMA sta­tus

anerkannt (2010) - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Pyrochlore supergroup  ⇒ Pyrochlore group

Crystals 3D

Open larger view

References

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

IMA group assignments

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Fluornatropyrochlore

(Na,Pb,Ca,REE,U)2Nb2O6F

kubisch : m3m : Fd3m

IV/C.12-012

Oxynatropyrochlore

(Na,Ca,U)2Nb2O6(O,OH)

IV/C.12-014

Hydroxycalciopyrochlore

(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

IV/C.12-020

Fluorcalciopyrochlore

(Ca,Na)2(Nb,Ti)2O6F

kubisch : m3m : Fd3m

IV/C.12-022

Oxycalciopyrochlore

Ca2Nb2O6O

IV/C.12-024

Fluorstrontiopyrochlore

(Sr,☐)2Nb2(O,OH)6F

IV/C.12-042

Oxyplumbopyrochlore

Pb2Nb2O6O

IV/C.12-054

Kenoplumbopyrochlore

(Pb,☐)Nb2 O6(☐,O)

IV/C.12-058

Oxyyttropyrochlore-(Y)

(Y,☐) 2Nb2O6O

IV/C.12-074

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

IV/C.12-096

Hydroxykenopyrochlore

(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)

kubisch : m3m : Fd3m

IV/C.12-100

Fluorkenopyrochlore

(☐,Na,Ce,Ca)2(Nb,Ti)2O6F

IV/C.12-102

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Fluornatropyrochlore

(Na,Pb,Ca,REE,U)2Nb2O6F

kubisch : m3m : Fd3m

4.CH.020

Oxynatropyrochlore

(Na,Ca,U)2Nb2O6(O,OH)

4.CH.040

Varieties

Natropyrochlore

Synonym für Fluornatropyrochlor oder Oxynatropyrochlor

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German pages

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