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Oxynatromicrolite

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Collectors Summary

Crystal System

kubisch, Fd3m

Chemism

Chemical formula

(Na,Ca,U)₂(Ta,Nb)₂O₆(O,F)

Chemical composition

Calcium, Natrium, Niob, Tantal, Fluor, Sauerstoff, Uran

Unit weight: 529.8613561525 u; Number of atoms in the formula: 11

Info

Empirical formula:

(Na_0.6Ca_0.3U_0.1)₂(Ta_0.75Nb_0.25)₂O₆(O_0.75F_0.25)

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Oxygen	O	20.38	6.75	61.36	15.9994300	107.9961525
Fluorine	F	0.90	0.25	2.27	18.9984033	4.7496008
Sodium	Na	5.21	1.2	10.91	22.9897702	27.5877242
Calcium	Ca	4.54	0.6	5.45	40.0784000	24.0470400
Niobium	Nb	8.77	0.5	4.55	92.9063820	46.4531910
Tantalum	Ta	51.23	1.5	13.64	180.9479100	271.4218650
Uranium	U	8.98	0.2	1.82	238.0289130	47.6057826

Search for minerals with similar chemistry

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. 17, October 2013

Mineral status

anerkanntes Mineral

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)	10.420
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 (Å³)	1131.366
X-Ray Powder Diffraction	6.149(40), 3.026(100), 2.617(25), 2.009(10), 1.844(35), 1.571(30), 1.503(10), 1.196(15)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

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(Co-)Type locality

(Co-)Type locality	China /Henan, Provinz /Sanmenxia, Präfektur /Lushi, Kreis /Guanpo /Guanpo Pegmatitfeld /No. 309 Pegmatit-Gang
Type material	Geological Museum of China, Beijing, China
Collection number of type material	M11940

Preface

Author (Name, Year)

Fan Guang, Ge Xiangkun, Li Guowu, Yu Apeng und Shen Ganfu (2013)

References

Fan Guang, Ge Xiangkun, Li Guowu, Yu Apeng und Shen Ganfu (2013) Oxynatromicrolite, IMA 2013-063. CNMNC Newsletter No. 17, October 2013, page 3004; Mineralogical Magazine, 77, 2997 - 3005

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 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

CNMNC (IMA)-Number

IMA 2013-063

CNMNC symbol

Symbol

Onmic

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