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Hydroxynatropyrochlore

Additional Functions

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

(Na,Сa,Ce)2Nb2O6(OH)

Chem­ical com­po­si­tion

Cerium, Natrium, Niob, Sauerstoff, Wasserstoff

Unit weight: 461.9225912 u; Number of atoms in the formula: 12

Info

Empirical formula:

(Na,Сa,Ce)2Nb2O6(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.22

1

8.33

1.0079470

1.0079470

Oxygen

O

24.25

7

58.33

15.9994300

111.9960100

Sodium

Na

4.98

1

8.33

22.9897702

22.9897702

Niobium

Nb

40.23

2

16.67

92.9063820

185.8127640

Cerium

Ce

30.33

1

8.33

140.1161000

140.1161000

Strunz 9th edi­tion incl. updates

4.DH.15

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
H: Mit großen (± mittelgroßen) [Kationen]; Lagen kantenverknüpfter Oktaeder
15:Pyrochlor-Gruppe

IMA sta­tus

anerkannt CNMNC Newsletter 40, Oktober 2017

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Pyrochlore group

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

10.3276(5)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

1101.535

Kristall struc­ture

Pyrochlor-Supergruppe; Struktur bestimmt

X-Ray Pow­der Diffrac­tion

5.96(47),
3.110(30),
2.580(100),
2.368(19),
1.987(6),
1.826(25),
1.746(3),
1.556(14)

XRD chart Hydroxynatropyrochlore

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Phoscorite-Carbonatite Pipe

Type mate­r­ial

Typisches Material ist in den Sammlungen des Mineralogischen Museums, der Staatlichen Universität Sankt-Petersburg, der Universität Emb. 7/9, St. Petersburg 199034, Russland, Katalognummer 1/19679

Preface

Author (Name, Year)

Gregory Y. Ivanyuk, Victor N. Yakovenchuk, Taras L. Panikorovskii, Nataliya Konoplyova, Yakov A. Pakhomovsky, Ayya V. Bazai, Vladimir N. Bocharov und Sergey V. Krivovichev (2017)

References

Ivanyuk, G.Y., Yakovenchuk, V.N., Panikorovskii, T.L., Konoplyova, N., Pakhomovsky, Y.A., Bazai, A.V., Bocharov, V.N. und Kriwowitschew, S.W. (2017) Hydroxynatropyrochlore, IMA 2017-074. CNMNC Newsletter Nr. 40, Dezember 2017, Seite 1580; Mineralogical Record, 81, 1577-1581.

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Betafite (of Hogarth 1977)' (Var.v. Pyrochlore supergroup)

(Ca,Na,U)2(Ti,Nb,Ta)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroplumboelsmoreite

(Pb,☐)2(W,Fe3+)2O6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Fluornatrocoulsellite

CaNa3AlMg3F14

trigonal : 3m : R3m

4.DH.15

Hydroxymanganopyrochlore

(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Alumotungstite' (Var.v. Hydrokenoelsmoreite)

(H2O,Ca)x(W,Al)2(O,OH)6·nH2O

4.DH.15

'Calciobetafite' (Var.v. Pyrochlore supergroup)

Ca2(Ti,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Cesstibtantite' (Var.v. Pyrochlore supergroup)

(Cs,Na)SbTa4O12

kubisch : m3m : Fd3m

4.DH.15

'Ferritungstite' (Var.v. Hydrokenoelsmoreite)

(W6+,Fe3+)2(O,OH)6·n(H2O,K,Ca,Na)

kubisch : m3m : Fd3m

4.DH.15

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

(Pb,U,Ca)(Ti,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Stibiobetafite' (Var.v. Pyrochlore group)

(Sb3+,Ca)2(Ti,Nb,Ta)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Uranmicrolite' (Var.v. Microlite group)

(Ca,U)2(Ta,Nb)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

(Ca,U,Na,Ce)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

'Bariomicrolite'

Ba(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

(Ba,Sr)(Nb,Ti)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Natrobistantite' (Var.v. Microlite group)

(Na,Cs)Bi(Ta,Nb,Sb)4O12

4.DH.15

'Plumbomicrolite' (Var.v. Microlite group)

(Pb,Na,Ca)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Plumbopyrochlore' (Var.v. Pyrochlore group)

(Pb,Y,U,Ca)2-xNb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Stannomicrolite' (Var.v. Microlite group)

(Sn2+,Fe2+)(Ta,Nb,Sn4+)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Stibiomicrolite' (Var.v. Microlite group)

(Sb,Ca,Na)2(Ta,Nb)2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

'Bismutomicrolite'

(Bi,Ca)(Ta,Nb)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

4.DH.15

Oxynatromicrolite

(Na,Ca,U)2(Ta,Nb)2O6(O,F)

kubisch : m3m : Fd3m

4.DH.15

'Yttrobetafite-(Y)' (Var.v. Pyrochlore supergroup)

(Y,U,Ce)2(Ti,Nb,Ta)2O6(OH)

amorph

4.DH.15

'Strontiopyrochlore' (Var.v. Pyrochlore group)

Sr0.6Nb2(O,OH)7

kubisch : m3m : Fd3m

4.DH.15

Cesiokenopyrochlore

☐Nb2(O,OH)6Cs1−x {x ∼ 0.20}

kubisch : m3m : Fd3m

4.DH.15

Hydrokenoelsmoreite

WO3·0.5H2O

kubisch : m3m : Fd3m

4.DH.15

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.DH.15

Oxybismutomicrolite

(Bi1.33☐0.67)Σ2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

4.DH.15

Oxystannomicrolite

Sn2Ta2O6O

kubisch : m3m : Fd3m

4.DH.15

Oxystibiomicrolite

(Sb3+,Ca)2Ta2O6O

4.DH.15

'Yttropyrochlore-(Y)' (Var.v. Pyrochlore group)

(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7

4.DH.15

'Ceriopyrochlore-(Ce)' (Var.v. Pyrochlore supergroup)

(Ca,Ce,Y,Na)2(Nb,Ta)2(O,OH,F)7

kubisch : m3m : Fd3m

4.DH.15

Fluornatromicrolite

(Na,Ca,Bi)2(Ta,Nb)2O6F

kubisch : m3m : Fd3m

4.DH.15

Fluornatropyrochlore

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

kubisch : m3m : Fd3m

4.DH.15

Hydrokenopyrochlore

2Nb2O4(OH)2(H2O)

kubisch : m3m : Fd3m

4.DH.15

Hydroxyferroroméite

(Fe2+1.50.5)Sb5+2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Kenoplumbomicrolite

(Pb,◻)2Ta 2O6(◻,O,OH)

kubisch : m3m : Fd3m

4.DH.15

Oxycalciopyrochlore

Ca2Nb2O6O

4.DH.15

Fluorcalciomicrolite

(Ca,Na)2Ta2(O,OH)6F

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenoelsmoreite

(☐,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)

trigonal : 3 : R3

4.DH.15

Hydroxykenomicrolite

(◻,Na,Sb3+)2Ta2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxykenopyrochlore

(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalciopyrochlore

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

kubisch : m3m : Fd3m

4.DH.15

Hydroxynatropyrochlore

(Na,Сa,Ce)2Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciomicrolite

Ca1.5Ta2O6(OH)

kubisch : 432 : P4332

4.DH.15

Hydroxyplumbopyrochlore

(Pb1.50.5)Nb2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Hydroxycalciopyrochlore

(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)

kubisch : m3m : Fd3m

4.DH.15

Fluorcalcioroméite

(Ca,Na)2Sb5+2O6(F,OH)

kubisch : m3m : Fd3m

4.DH.15d

CNMNC (IMA)-Number

IMA 2017-074

CNMNC symbol

Symbol

Hnpcl

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