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Hydroxycalciomicrolite

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Pictures (3 Images total)

Views (Image: 1466491751): 541

Hydroxycalciomicrolite

Brown octahedrons of Hydroxycalciomicrolite grow along boundary between black Manganocolumbite and yellowish K-feldspar. FOV is 10x7 mm. Pavel M. Kartashov analytical data, collection and scan; Kr...

Pavel M. Kartashov

Contribution: Stefan 2016-06-21

Locality: Krasnoarmeiskii Mine / Izumrudnye Kopi (Malyshevskoe) / Malyshevo / Tokovaya, Fluss / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland

Views (Image: 1466491715): 355

Hydroxycalciomicrolite

Brown octahedrons of Hydroxycalciomicrolite grow along boundary between black Manganocolumbite and yellowish K-feldspar. FOV is 15x12 mm. Pavel M. Kartashov analytical data, collection and scan; K...

Pavel M. Kartashov

Contribution: Stefan 2016-06-21

Locality: Krasnoarmeiskii Mine / Izumrudnye Kopi (Malyshevskoe) / Malyshevo / Tokovaya, Fluss / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland

Views (Image: 1466491622): 341

Hydroxycalciomicrolite

Brown octahedrons of Hydroxycalciomicrolite grow along boundary between black Manganocolumbite and yellowish K-feldspar. FOV is 12x9 mm. Pavel M. Kartashov analytical data, collection and scan; Kr...

Pavel M. Kartashov

Contribution: Stefan 2016-06-21

Locality: Krasnoarmeiskii Mine / Izumrudnye Kopi (Malyshevskoe) / Malyshevo / Tokovaya, Fluss / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland

Collectors Summary

Color

braun, gelb

Streak color

weiß

Lustre

Glasglanz, Fettglanz

Hardness (Mohs)

5 - 6

Cleavages

nicht beobachtet

Fracture

muschelig

Crystal System

kubisch, P4₃32

Chemism

Chemical formula

Ca_1.5Ta₂O₆(OH)

Empirical formula (analysis)

(Ca_1.48Na_0.06Mn_0.01)_Σ1.55(Ta_1.88Nb_0.11Sn_0.01)_Σ2O₆[(OH)_0.76F_0.20O_0.04]

Additional chem. information

Pyrochlor-Supergruppe

Chemical composition

Calcium, Tantal, Sauerstoff, Wasserstoff

Unit weight: 526.195522901 u; Number of atoms in the formula: 11.31

Info

Empirical formula:

(Ca_1.48Na_0.06Mn_0.01)(Ta_1.88Nb_0.11Sn_0.01)O₆[(OH)_0.76F_0.20O_0.04]

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Hydrogen	H	0.15	0.76	6.72	1.0079470	0.7660397
Oxygen	O	20.68	6.8	60.12	15.9994300	108.7961240
Fluorine	F	0.72	0.2	1.77	18.9984033	3.7996807
Sodium	Na	0.26	0.06	0.53	22.9897702	1.3793862
Calcium	Ca	11.27	1.48	13.09	40.0784000	59.3160320
Manganese	Mn	0.10	0.01	0.09	54.9380499	0.5493805
Niobium	Nb	1.94	0.11	0.97	92.9063820	10.2197020
Tin	Sn	0.23	0.01	0.09	118.7107000	1.1871070
Tantalum	Ta	64.65	1.88	16.62	180.9479100	340.1820708

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. 18, Dezember 2013

Mineral status

anerkanntes Mineral

IMA Classification

Pyrochlore supergroup ⇒ Microlite group

Optical Properties

Color	braun, gelb
Streak color	weiß
Diaphaneity (Transparency)	durchscheinend
Lustre	Glasglanz, Fettglanz

Crystallography

Crystal System	kubisch
Class (H-M)	432
Space Group number	212
Space Group	P4₃32
Cell parameters a (Å)	10.4211
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)	1131.724
X-Ray Powder Diffraction	6.025(100), 3.145(15), 3.010(73), 2.606(7), 2.006(7), 1.843(8), 1.572(5), 1.505(4)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)	5 - 6
Density (g/cm³)	6.176 (berechnet)
	6.176 ( ρ calc. Mineralienatlas )
Cleavages	nicht beobachtet
Fracture	muschelig
Tenacity	spröde

(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, sample number DR917, und at the RRUFF Project, deposition number R130269
Collection number of type material	DR917 (Museu de Geociências); R130269 (RRUFF)

Preface

Author (Name, Year)

Marcelo B. Andrade, Hexiong Yang, Daniel Atencio, Robert T. Downs, Nikita V. Chukanov, Marie-Hélène Lemée-Cailleau, Aba I.C. Persiano, Andres E. Goeta und Javier Ellena (2013)

References

Andrade, M.B., Yang, H., Atencio, D., Downs, R.T., Chukanov, N.V., LemeeCailleau, M.-H., Persiano, A.LC., Goeta, A.E. and Ellena, J. (2013) Hydroxycalciomicrolite, IMA 2013-073. CNMNC Newsletter No. X, Month 2013, page X; Mineralogical Magazine, XX, XXX-XXX (pending)

Acta Mineralogica-Petrographica, Abstract Series, Szeged, Vol. 7, 2012

Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 19/2, 2011. ISSN 1211-0329 (print); 1804-6495

Andrade, M.B., Yang, H., Atencio, D., Downs, R.T., Chukanov, N.V., Lemée- Cailleau, M.-H., Persiano, A.I.C., Goeta, A.E. und Ellena, J. (2013) Hydroxycalciomicrolite, IMA 2013-073. CNMNC Newsletter No. 18, December 2013, page 3252; Mineralogical Magazine, 77, 3249-3258.

Andrade, M.B.; Yang, H.; Atencio, D.; Downs, R.T.; Chukanov, N.V.; Lemée-Cailleau, M.H.; Persiano, A. I. C.; Goeta, A.E.; Ellena, J. - Hydroxycalciomicrolite, Ca1.5Ta2O6(OH), a new member of the microlite group from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil - Mineralogical Magazine [Appeared or available online: 14. Juni 2016]

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 2013-073

CNMNC symbol

Symbol

Hcmic

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

German pages	DeWikiPedia - search for: Hydroxycalciomikrolith Google-Bilder-Suche - search for: Hydroxycalciomikrolith Mineralogisch-Petrographisches-Institut Hamburg - search for: Hydroxycalciomikrolith
English pages	Mindat - search for: Hydroxycalciomicrolite Webmineral - search for:Hydroxycalciomicrolite Handbook-of-Mineralogy - search for: Hydroxycalciomicrolite RRUFF - Raman, XRD and other mineral data - search for: Hydroxycalciomicrolite RRUFF - References and PDF downloads - search for: Hydroxycalciomicrolite American-Mineralogist-Crystal-Structure-Database - search for: Hydroxycalciomicrolite Athena - search for: Hydroxycalciomicrolite Strahlen.org - search for: Hydroxycalciomicrolite Mineralienatls.de (Forum) - search for: Hydroxycalciomikrolith
Russian pages	Webmineral.ru - search for: Гидроксикальциомикролит

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