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Hydropyrochlore (Hydropyrochlor)

Pictures (3 Images total)

Kalipyrochlor
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Kalipyrochlor

Größe ca. 5 mm

Copyright: berthold
Contribution: Mineralienatlas 2004-12-19
Kalipyrochlor
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Kalipyrochlor

Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe. Bildbreite 3 mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-08-25
Locality: Lueshe / Nord-Kivu, Provinz / Demokratische Republik Kongo
Kalipyrochlor
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Kalipyrochlor

Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe. Bildbreite 3mm

Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-08-25
Locality: Lueshe / Nord-Kivu, Provinz / Demokratische Republik Kongo

Collectors Summary

Color grün
Streak color grauweiß
Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

(H2O,☐)2Nb2(O,OH)6(H2O)

Addi­tional chem. informa­tion

Pyrochlor-Supergruppe

Chem­ical com­po­si­tion

Niob, Sauerstoff, Wasserstoff, Vakanz

Unit weight: 328.359574505 u; Number of atoms in the formula: 17.5

Info

Empirical formula:

((H2O)0.75Vc0.25)2Nb2(O0.75(OH)0.25)6(H2O)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

0.5

2.86

0.0000000

0.0000000

Hydrogen

H

2.00

6.5

37.14

1.0079470

6.5516555

Oxygen

O

41.42

8.5

48.57

15.9994300

135.9951550

Niobium

Nb

56.59

2

11.43

92.9063820

185.8127640

Anal­y­sis wt%

K2O : 2.12, SrO : 1.75, TiO2 : 5.01, Nb2O5 : 75.69, H2O : 16.05 (Ref: Canadian Mineralogist 94)

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

Lapis Clas­sifica­tion

IV/C.12-096

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.961

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

Dana 8th edi­tion

08.02.01.02

08: Multiple Oxides with Nb, Ta, and Ti
02: Multiple Oxides with Nb, Ta, and Ti where (A)2 (B2O6) (O,OH,F)
01: Pyrochlore Group (Pyrochlore Subgroup; Nb>Ta;(Nb+Ta)>2(Ti)

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Pyrochlore group

Optical Properties

Color

grün

Streak color

grauweiß

Diaphane­ity (Trans­parency)

durchscheinend bis opak

RI value α / ω / n

1.96

Ri mean

1.96

2V angle

Isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

10.603

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°

Z

8

Volumne (ų)

1192.028

X-Ray Pow­der Diffrac­tion

6.10(70),
3.188(60),
3.052(100),
2.643(10),
2.035(20),
1.869(40),
1.786(20),
1.593(30)

XRD chart Hydropyrochlore

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.4 - 3.48 / Durchschnittlich = 3.44

3.659 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Nord-Kivu, Provinz/Lueshe

Preface

Author (Name, Year)

Hogarth, 1977

IMA group assignments

 
A2-mD2X6-wZ1-n
 
 

 
 
A2Nb2(O,OH)6Z
kubisch
Fd3m

 
 
 
☐Nb2(O,OH)6Cs1−x {x ∼ 0.20}
kubisch
Fd3m

 
 
 
(Ca,Na)2(Nb,Ti)2O6F
kubisch
Fd3m

 
 
 
(☐,Na,Ce,Ca)2(Nb,Ti)2O6F
 
 

 
 
 
(Na,Pb,Ca,REE,U)2Nb2O6F
kubisch
Fd3m

 
 
 
(Sr,☐)2Nb2(O,OH)6F
 
 

 
 
 
2Nb2O4(OH)2(H2O)
kubisch
Fd3m

 
 
 
(H2O,☐)2Nb2(O,OH)6(H2O)
kubisch
Fd3m

 
 
 
(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)
kubisch
Fd3m

 
 
 
(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)
kubisch
Fd3m

 
 
 
(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
kubisch
Fd3m

 
 
 
(Na,Сa,Ce)2Nb2O6(OH)
kubisch
Fd3m

 
 
 
(Pb1.50.5)Nb2O6(OH)
kubisch
Fd3m

 
 
 
(Pb,☐)Nb2 O6(☐,O)
 
 

 
 
 
Ca2Nb2O6O
 
 

 
 
 
(Na,Ca,U)2Nb2O6(O,OH)
 
 

 
 
 
Pb2Nb2O6O
 
 

 
 
 
(Y,☐) 2Nb2O6O
 
 

Refresh list

Actuality: 11. Oct 2021 - 16:24:55

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

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]

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

4.CH.911

'Strontiopyrochlore' (Var.v. Pyrochlore group)

Sr0.6Nb2(O,OH)7

kubisch : m3m : Fd3m

4.CH.912

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

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

kubisch : m3m : Fd3m

4.CH.913

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

4.CH.914

Fluorkenopyrochlore

(☐,Na,Ce,Ca)2(Nb,Ti)2O6F

4.CH.920

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.CH.961

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

4.CH.962

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

'Pyrochlore'

08.02.01.01

Hydropyrochlore

(H2O,☐)2Nb2(O,OH)6(H2O)

kubisch : m3m : Fd3m

08.02.01.02

'Bariopyrochlore' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

08.02.01.03

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

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

08.02.01.04

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

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

kubisch : m3m : Fd3m

08.02.01.05

'Plumbopyrochlore' (Var.v. Pyrochlore group)

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

kubisch : m3m : Fd3m

08.02.01.06

'Uranopyrochlore' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

08.02.01.07

'Bismutopyrochlore' (Var.v. Pyrochlore supergroup)

(Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)·nH2O

kubisch : m3m : Fd3m

08.02.01.09

'Bariomicrolite'

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

kubisch : m3m : Fd3m

08.02.02.02

'Plumbomicrolite' (Var.v. Microlite group)

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

kubisch : m3m : Fd3m

08.02.02.03

'Uranmicrolite' (Var.v. Microlite group)

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

kubisch : m3m : Fd3m

08.02.02.04

'Bismutomicrolite'

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

kubisch : m3m : Fd3m

08.02.02.05

'Stannomicrolite' (Var.v. Microlite group)

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

kubisch : m3m : Fd3m

08.02.02.06

'Stibiomicrolite' (Var.v. Microlite group)

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

kubisch : m3m : Fd3m

08.02.02.07

'Betafite group'

08.02.03.01

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

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

amorph

08.02.03.02

'Plumbobetafite' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

08.02.03.03

'Stibiobetafite' (Var.v. Pyrochlore group)

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

kubisch : m3m : Fd3m

08.02.03.04

'Calciobetafite' (Var.v. Pyrochlore supergroup)

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

kubisch : m3m : Fd3m

08.02.03.05

'Cesstibtantite' (Var.v. Pyrochlore supergroup)

(Cs,Na)SbTa4O12

kubisch : m3m : Fd3m

08.02.04.01

'Natrobistantite' (Var.v. Microlite group)

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

08.02.04.02

Zircosulfate

Zr(SO4)2·4H2O

orthorhombisch : mmm : Fddd

08.02.05.01

Orthobrannerite

U4+U6+Ti4O12(OH)2

orthorhombisch : 222 : P2122

08.02.07.01

'Parabariomicrolite ' (Pol.v. Hydrokenomicrolite)

BaTa4O10(OH)2·2H2O

08.02.08.01

Alternative Name

German

Kalipyrochlor

French

Kalipyrochlore

English

Kalipyrochlore

English

Kalipyrochlore (of Hogarth 1977)

Russian

Калипирохлор

CNMNC symbol

Symbol

Hpcl

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