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Hydroxykenoelsmoreite

Additional Functions

Collectors Summary

Color kanariengelb
Streak color blass gelb
Lustre Glasglanz
Hardness (Mohs) ~3
Fracture spröde
Crystal System trigonal, R3
Morphology Resseten bis 150μm im Durchmesser von plattigen Kristallen bis zu 20μm weite und kleiner 2μm Dicke

Chemism

Chem­ical formula

(☐,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)

Empir­ical formula (anal­y­sis)

(☐1.668Pb0.315Ca0.009Na0.005K0.003Ba0.001)Σ2 (W6+1.487Fe3+0.357Al0.156)Σ2 (O4.119(OH)1.881)Σ6 (OH)

Chem­ical com­po­si­tion

Aluminium, Blei, Eisen, Sauerstoff, Wasserstoff, Wolfram, Vakanz

Unit weight: 478.41875576388 u; Number of atoms in the formula: 13.882

Info

Empirical formula:

(Vc1.668Pb0.315Ca0.009Na0.005K0.003Ba0.001)(W1.487Fe0.357Al0.156)(O4.119(OH)1.881)(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1.67

12.02

0.0000000

0.0000000

Hydrogen

H

0.61

2.88

20.75

1.0079470

2.9038953

Oxygen

O

23.41

7

50.43

15.9994300

111.9960100

Sodium

Na

0.02

0.01

0.04

22.9897702

0.1149489

Aluminium

Al

0.88

0.16

1.12

26.9815382

4.2091200

Potassium

K

0.02

0

0.02

39.0983100

0.1172949

Calcium

Ca

0.08

0.01

0.06

40.0784000

0.3607056

Iron

Fe

4.17

0.36

2.57

55.8452000

19.9367364

Barium

Ba

0.03

0

0.01

137.3277000

0.1373277

Tungsten

W

57.14

1.49

10.71

183.8410000

273.3715670

Lead

Pb

13.64

0.32

2.27

207.2100000

65.2711500

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 No. 33, Oktober 2016

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Pyrochlore supergroup  ⇒ Elsmoréite group

Optical Properties

Color

kanariengelb

Streak color

blass gelb

Diaphane­ity (Trans­parency)

transparent

Lus­tre

Glasglanz

RI value α / ω / n

nave = 2.065

2V angle

Uniaxial (-)

Pleochro­ism

keiner

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3

Space Group number

146

Space Group

R3

Cell param­e­ters a (Å)

7.2855(10)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

17.858(4)

Cell param­e­ters a/b or c/a

2.451

Cell param­e­ters c/b

-

Z

6

Volumne (ų)

820.885

Kristall struc­ture

Struktur bestimmt; Pyrochlor-Supergruppe

X-Ray Pow­der Diffrac­tion

5.99(51), 3.128(64), 2.983(100), 2.582(32), 1.825(57), 1.558(47), 1.490(14), 1.186(20)

XRD chart Hydroxykenoelsmoreite

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

Morphol­ogy

Resseten bis 150μm im Durchmesser von plattigen Kristallen bis zu 20μm weite und kleiner 2μm Dicke

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

~3

Density (g/cm³)

5.806 (berechnet)

5.806 ( ρ calc. Mineralienatlas )

Frac­ture

spröde

(Co-)Type locality

(Co-)Type locality

Burundi/Muyinga, Provinz/Masaka Goldmine

Type mate­r­ial

Museum Victoria, Melbourne, Victoria, Australien

Col­lec­tion number of type mate­r­ial

M53606

Par­a­ge­n­e­sis of type mate­r­ial

Goethit, Galenit

Preface

Author (Name, Year)

Stuart J. Mills, Andrew G. Christy, Anthony R. Kampf, William D. Birch und Anatoly Kasatkin (2016)

References

Mills, SJ, Christy, AG, Kampf, AR, Birke, WD und Kasatkin, A. (2016) Hydroxykenoelsmoreite, IMA 2016-056. CNMNC Newsletter Nr 33, Oktober 2016, Seite 1141; Mineralogical Magazine, 80, 1135-1144.

Hydroxykenoelsmoreite, the first new mineral from the Republic of Burundi - Hydroxykenoelsmoreite, the first new mineral from the Republic of Burundi - European Journal of Mineralogy; Appeared or available online: 10. Januar 2017

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 2016-056

CNMNC symbol

Symbol

Hykm

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