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Hydroxycalciomicrolite

Pictures (3 Images total)

Hydroxycalciomicrolite
Views (Image: 1466491751): 515
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...

Copyright: Pavel M. Kartashov
Contribution: Stefan 2016-06-21
Locality: Krasnoarmeiskii Mine / Izumrudnye Kopi (Malyshevskoe) / Malyshevo / Tokovaya, Fluss / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland
Hydroxycalciomicrolite
Views (Image: 1466491715): 342
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...

Copyright: Pavel M. Kartashov
Contribution: Stefan 2016-06-21
Locality: Krasnoarmeiskii Mine / Izumrudnye Kopi (Malyshevskoe) / Malyshevo / Tokovaya, Fluss / Jekaterinburg / Swerdlowsk, Oblast (Sverdlovskaya) / Ural, Föderationskreis / Russland
Hydroxycalciomicrolite
Views (Image: 1466491622): 329
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...

Copyright: 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

Ca1.5Ta2O6(OH)

Empir­ical formula (anal­y­sis)

(Ca1.48Na0.06Mn0.01)Σ1.55(Ta1.88Nb0.11Sn0.01)Σ2O6[(OH)0.76F0.20O0.04]

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:

(Ca1.48Na0.06Mn0.01)(Ta1.88Nb0.11Sn0.01)O6[(OH)0.76F0.20O0.04]

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

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

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 (ų)

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)

XRD chart Hydroxycalciomicrolite

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 http://de.search.yahoo.com/r/_ylt=A7x9Qfk2VINSYDkAxRszCQx.;_ylu=X3oDMTE0ZGkwNWtxBHNlYwNzcgRwb3MDMgRjb2xvA2lyZAR2dGlkA0RFQzAwMl83Mg--/SIG=129efooh6/EXP=1384367286/**http%3a//www.mineral.hermuz.hu/acta_07/pdf/144-Uher.pdf

Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 19/2, 2011. ISSN 1211-0329 (print); 1804-6495 http://www.academia.edu/2780876/Mineral_inclusions_in_beryl_feldspars_and_quartz_from_the_Moravany_nad_Vahom_Striebornica_granitic_pegmatite_Povazsky_Inovec_Mts._western_Slovakia_composition_and_genetic_aspects

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

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 2013-073

CNMNC symbol

Symbol

Hcmic

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

German pages

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Russian pages

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