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Fluorcalciomicrolite

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Collectors Summary

Crystal System

kubisch, Fd3m

Chemism

Chemical formula

(Ca,Na)₂Ta₂(O,OH)₆F

Additional chem. information

Pyrochlore Supergruppe

Chemical composition

Calcium, Natrium, Tantal, Fluor, Sauerstoff, Wasserstoff

Unit weight: 550.01520885 u; Number of atoms in the formula: 12.5

Info

Empirical formula:

(Ca_0.75Na_0.25)₂Ta₂(O_0.75(OH)_0.25)₆F

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	0.27	1.5	12.00	1.0079470	1.5119205
Oxygen	O	17.45	6	48.00	15.9994300	95.9965800
Fluorine	F	3.45	1	8.00	18.9984033	18.9984033
Sodium	Na	2.09	0.5	4.00	22.9897702	11.4948851
Calcium	Ca	10.93	1.5	12.00	40.0784000	60.1176000
Tantalum	Ta	65.80	2	16.00	180.9479100	361.8958200

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

Lapis Classification

IV/C.13-022

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.120

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 August 2012 - CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288

Mineral status

anerkanntes Mineral

IMA Classification

Pyrochlore supergroup ⇒ Microlite group

Optical Properties

Crystallography

Crystal System	kubisch
Class (H-M)	m3m
Space Group number	227
Space Group	Fd3m
Cell parameters a (Å)	10.419
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)	1131.04
Kristall structure	Struktur bestimmt
X-Ray Powder Diffraction	5.997(59), 3.138(83), 3.005(100), 2.602(29), 2.004(23), 1.841(23), 1.589(25), 1.504(24)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

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Crystal Structure 3D

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Physical Properties

Density (g/cm³)
	6.46 ( 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, Brasilien
Collection number of type material	DR731

Preface

Author (Name, Year)

Marcelo B. Andrade, Daniel Atencio, Hexiong Yang, Robert T. Downs, Aba I.C. Persiano und Javier Ellena (2012)

References

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

CNMNC Newsletter No. 14, October 2012, page 1282; Mineralogical Magazine, 76, 1281-1288

IMA group assignments

Pyrochlore supergroup

A_2-mD₂X_6-wZ_1-n

Microlite group

(Na,Ca)₂Ta₂O₆(O,OH,F)

kubisch

Fd3m

Fluorcalciomicrolite

(Ca,Na)₂Ta₂(O,OH)₆F

kubisch

Fd3m

Fluornatromicrolite

(Na,Ca,Bi)₂(Ta,Nb)₂O₆F

kubisch

Fd3m

Hydrokenomicrolite

(◻,H₂O)₂Ta₂(O,OH)₆(H₂O)

kubisch

Fd3m

Hydromicrolite

(H₂O,◻)₂Ta₂(O,OH)₆(H₂O)

Hydroxycalciomicrolite

Ca_1.5Ta₂O₆(OH)

kubisch

P4₃32

Hydroxykenomicrolite

(◻,Na,Sb³⁺)₂Ta₂O₆(OH)

kubisch

Fd3m

Kenoplumbomicrolite

(Pb,◻)₂Ta ₂O₆(◻,O,OH)

kubisch

Fd3m

Oxybismutomicrolite

(Bi_1.33☐0.67)_Σ2Ta₂O₆O

kubisch

Fd3m

Oxycalciomicrolite

Ca₂Ta₂O₇

kubisch

Fd3m

Oxynatromicrolite

(Na,Ca,U)₂(Ta,Nb)₂O₆(O,F)

kubisch

Fd3m

Oxystannomicrolite

Sn₂Ta₂O₆O

kubisch

Fd3m

Oxystibiomicrolite

(Sb³⁺,Ca)₂Ta₂O₆O

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Actuality: 21. Sep 2021 - 15:39:10

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 "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]

Fluorcalciomicrolite	(Ca,Na)₂Ta₂(O,OH)₆F kubisch : m3m : Fd3m	4.CI.120
Oxycalciomicrolite	Ca₂Ta₂O₇ kubisch : m3m : Fd3m	4.CI.140
Tazzoliite	Ba_4-xNa_xTi₂Nb₃SiO₁₇[PO₂(OH)₂]_x(OH)_(1-2x) _{(0≤x≤0.5)} orthorhombisch : mmm : Fmmm	4.CI.150

IMA Number

IMA 2012-036

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German pages	DeWikiPedia - search for: Fluorcalciomikrolith Google-Bilder-Suche - search for: Fluorcalciomikrolith Mineralogisch-Petrographisches-Institut Hamburg - search for: Fluorcalciomikrolith
English pages	Mindat - search for: Fluorcalciomicrolite Webmineral - search for:Fluorcalciomicrolite Handbook-of-Mineralogy - search for: Fluorcalciomicrolite RRUFF - Raman, XRD and other mineral data - search for: Fluorcalciomicrolite RRUFF - References and PDF downloads - search for: Fluorcalciomicrolite American-Mineralogist-Crystal-Structure-Database - search for: Fluorcalciomicrolite Athena - search for: Fluorcalciomicrolite
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