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Hydrokenomicrolite

Additional Functions

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

(◻,H2O)2Ta2(O,OH)6(H2O)

Chem­ical com­po­si­tion

Tantal, Sauerstoff, Wasserstoff

Unit weight: 495.4349685 u; Number of atoms in the formula: 15.5

Info

Empirical formula:

(◻,H2O)2Ta2(O0.75(OH)0.25)6(H2O)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.12

5.5

35.48

1.0079470

5.5437085

Oxygen

O

25.83

8

51.61

15.9994300

127.9954400

Tantalum

Ta

73.05

2

12.90

180.9479100

361.8958200

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.13-106

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

Clas­sifica­tion by Hölzel

4.CI.960

4: OXIDES
C: R2O3 Sesquioxides
I: Microlite-Group, Ta-dominant on the B-site

IMA sta­tus

anerkannt (2010) - The Canadian Mineralogist Vol. 48, pp. 673-698 (2010); anerkannt - Februar 2012 - CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Microlite group

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

10.573

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)

1181.938

Kristall struc­ture

Struktur bestimmt

X-Ray Pow­der Diffrac­tion

6.112(86), 3.191(52), 3.052(100), 2.642(28), 2.035(11), 1.869(29), 1.788(10), 1.594(24)

XRD chart Hydrokenomicrolite

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

Polytypes

Parabariomicrolite

BaTa4O10(OH)2·2H2O

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.568 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Brasilien/Südosten (Região Sudeste)/Minas Gerais/Nazareno/Volta Grande Pegmatit

Type mate­r­ial

Museu de Geociências, Instituto de Geociências, Universidade de São Paulo, São Paulo, Brazil

Col­lec­tion number of type mate­r­ial

DR725

Preface

Author (Name, Year)

Marcelo B. Andrade, Daniel Atencio, Nikita V. Chukanov and Javier Ellena (2012)

References

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

CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 19/2, 2011. ISSN 1211-0329 (print); 1804-6495 http://www.academia.edu/2780876/Mineral_inclusions_in_beryl_feldspars_and_quartz_from_the_Moravany_nad_Vahom_Striebornica_granitic_pegmatite_Povazsky_Inovec_Mts._western_Slovakia_composition_and_genetic_aspects

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

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

Fluornatromicrolite

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

kubisch : m3m : Fd3m

IV/C.13-012

Fluorcalciomicrolite

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

kubisch : m3m : Fd3m

IV/C.13-022

Oxycalciomicrolite

Ca2Ta2O7

kubisch : m3m : Fd3m

IV/C.13-024

Oxystannomicrolite

Sn2Ta2O6O

kubisch : m3m : Fd3m

IV/C.13-034

Kenoplumbomicrolite

(Pb,◻)2Ta 2O6(◻,O,OH)

kubisch : m3m : Fd3m

IV/C.13-058

Oxystibiomicrolite

(Sb3+,Ca)2Ta2O6O

IV/C.13-064

Hydromicrolite

(H2O,◻)2Ta2(O,OH)6(H2O)

IV/C.13-096

Hydroxykenomicrolite

(◻,Na,Sb3+)2Ta2O6(OH)

kubisch : m3m : Fd3m

IV/C.13-100

'Oxykenomicrolite'

X2(Ta,Nb)2(O,OH)6O

IV/C.13-104

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

IV/C.13-106

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

'Uranmicrolite' (Var.v. Microlite group)

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

kubisch : m3m : Fd3m

4.CI.911

'Bismutomicrolite'

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

kubisch : m3m : Fd3m

4.CI.912

Hydrokenomicrolite

(◻,H2O)2Ta2(O,OH)6(H2O)

kubisch : m3m : Fd3m

4.CI.960

'Bariomicrolite'

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

kubisch : m3m : Fd3m

4.CI.961

'Natrobistantite' (Var.v. Microlite group)

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

4.CI.981

IMA Number

IMA 2011-103

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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Russian pages

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