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Views (Image: 1260267095): 1642

Ferritungstit

Bildbreite: 3,5 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland

Stephan Wolfsried

Contribution: Hg 2009-12-08

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1260267146): 2271

Ferritungstit

Bildbreite: 2,5 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland

Stephan Wolfsried

Contribution: Hg 2009-12-08

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1260267187): 1815

Ferritungstit

Bildbreite: 2,5 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland

Stephan Wolfsried

Contribution: Hg 2009-12-08

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1189366727): 1307

Ferritungstit

(Cr-haltig); Bildbreite: 4 mm; Fundort: Grube Clara, Wolfach, Schwarzwald

Collection:

Stephan Wolfsried

Contribution: Hg 2007-09-09

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1252571175): 1257

Ferritungstit

Bildbreite: 2 mm; Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland

Stephan Wolfsried

Contribution: Hg 2009-09-10

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Views (Image: 1200168106): 1037

Ferritungstit

Bildbreite: 3 mm; Fundort: Grube Clara, Wolfach, Schwarzwald

Stephan Wolfsried

Contribution: Hg 2008-01-12

Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

More images

Collectors Summary

Color

gelb, bräunlichgelb

Streak color

hellgelb

Solubility

+++ Säuren

Crystal System

kubisch, Fd3m

Additional information / Summary

Fe-(Eisen)-haltige Varietät mit W>Fe von Hydrokenoelsmoreit

Chemism

Chemical formula

(W⁶⁺,Fe³⁺)₂(O,OH)₆·n(H₂O,K,Ca,Na)

Chemical composition

Calcium, Eisen, Natrium, Kalium, Sauerstoff, Wasserstoff, Wolfram

Unit weight: 427.98785021 u; Number of atoms in the formula: 11.6

Info

Empirical formula:

(W_0.75Fe_0.25)₂(O_0.75(OH)_0.25)₆·n((H₂O)_0.55K_0.3Ca_0.1Na_0.05)

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	0.61	2.6	22.41	1.0079470	2.6206622
Oxygen	O	24.49	6.55	56.47	15.9994300	104.7962665
Sodium	Na	0.27	0.05	0.43	22.9897702	1.1494885
Potassium	K	2.74	0.3	2.59	39.0983100	11.7294930
Calcium	Ca	0.94	0.1	0.86	40.0784000	4.0078400
Iron	Fe	6.52	0.5	4.31	55.8452000	27.9226000
Tungsten	W	64.43	1.5	12.93	183.8410000	275.7615000

Search for minerals with similar chemistry

Analysis wt%

K₂O : 2.16, CaO : 0.73, Fe₂O₃ : 9.99, WO₃ : 77.71, H₂O : 8.45 (Ref: Canadian Mineralogist 1994)

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

Classification by Hölzel

4.CL.962

4: OXIDES
C: R₂O₃ Sesquioxides
L: Elsmoreite-Group, W-dominant on the B-site

Dana 8th edition

04.05.05.01

04: Oxide Minerals
05: Simple Oxides with a cation charge of 6+ (A++++++ O3)

IMA status

Mineralstatus aberkannt 2010; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010)

Mineral status

Varietät

Variety / polytype of

Hydrokenoelsmoreite

Optical Properties

Color	gelb, bräunlichgelb
Streak color	hellgelb
Diaphaneity (Transparency)	durchscheinend
RI value α / ω / n	2.04
Ri mean	2.04
2V angle	Isotropisch

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System	kubisch
Class (H-M)	m3m
Space Group number	227
Space Group	Fd3m
Cell parameters a (Å)	10.352
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 (Å³)	1109.361
X-Ray Powder Diffraction	5.95(100), 3.10(100), 2.97(100), 2.57(80), 1.981(50), 1.819(90), 1.738(70), 1.550(80)
	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)	5 (gemessen) 5.16 (berechnet)
	5.125 ( ρ calc. Mineralienatlas )
Instability	+++ Säuren

(Co-)Type locality

USA /Washington /Stevens Co./Deer Trail Mining District /Germania Mine

Preface

Author (Name, Year)

Schaller, 1911

References

Canadian Mineralogist 32 (1994), 567

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

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 kubisch	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 kubisch	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)	Sr_0.6Nb₂(O,OH)₇ kubisch : m3m : Fd3m	4.DH.15
Cesiokenopyrochlore	☐Nb₂(O,OH)₆Cs_1−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	(Bi_1.33☐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 kubisch	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⁺_1.5☐_0.5)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	Ca_1.5Ta₂O₆(OH) kubisch : 432 : P4₃32	4.DH.15
Hydroxyplumbopyrochlore	(Pb_1.5☐_0.5)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 "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Hydrokenoelsmoreite	WO₃·0.5H₂O kubisch : m3m : Fd3m	4.CL.960
'Alumotungstite' (Var.v. Hydrokenoelsmoreite)	(H₂O,Ca)_x(W,Al)₂(O,OH)₆·nH₂O kubisch	4.CL.961
'Ferritungstite' (Var.v. Hydrokenoelsmoreite)	(W⁶⁺,Fe³⁺)₂(O,OH)₆·n(H₂O,K,Ca,Na) kubisch : m3m : Fd3m	4.CL.962

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

Molybdite	MoO₃ orthorhombisch : mmm : Pbnm	04.05.01.01
Tungstite	WO₃·H₂O orthorhombisch : mmm : Pmnb	04.05.02.01
Meymacite	WO₃·2H₂O amorph	04.05.03.01
'Alumotungstite' (Var.v. Hydrokenoelsmoreite)	(H₂O,Ca)_x(W,Al)₂(O,OH)₆·nH₂O kubisch	04.05.04.01
'Ferritungstite' (Var.v. Hydrokenoelsmoreite)	(W⁶⁺,Fe³⁺)₂(O,OH)₆·n(H₂O,K,Ca,Na) kubisch : m3m : Fd3m	04.05.05.01
Sidwillite	MoO₃·2H₂O monoklin : 2/m : P2₁/n	04.05.06.01

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