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Hydroxycalciomicrolite

Pictures (3 Images total)

Hydroxycalciomicrolite
Views (File:
1466491622
): 368
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; Krasnoarmeiskii mine, Izumrudnye Kopi area, Malyshevo, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia
Copyright: Pavel M. Kartashov; Contribution: Stefan
Location: Russland/Ural, Föderationskreis/Swerdlowsk, Oblast (Sverdlovskaya)/Jekaterinburg/Tokovaya, Fluss/Malyshevo/Izumrudnye Kopi (Malyshevskoe)/Krasnoarmeiskii Mine
Mineral: Hydroxycalciomicrolite
Image: 1466491622
License: Usage for Mineralienatlas project only
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
Hydroxycalciomicrolite
Views (File:
1466491715
): 380
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; Krasnoarmeiskii mine, Izumrudnye Kopi area, Malyshevo, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia
Copyright: Pavel M. Kartashov; Contribution: Stefan
Location: Russland/Ural, Föderationskreis/Swerdlowsk, Oblast (Sverdlovskaya)/Jekaterinburg/Tokovaya, Fluss/Malyshevo/Izumrudnye Kopi (Malyshevskoe)/Krasnoarmeiskii Mine
Mineral: Hydroxycalciomicrolite
Image: 1466491715
License: Usage for Mineralienatlas project only
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 (File:
1466491751
): 595
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; Krasnoarmeiskii mine, Izumrudnye Kopi area, Malyshevo, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia
Copyright: Pavel M. Kartashov; Contribution: Stefan
Location: Russland/Ural, Föderationskreis/Swerdlowsk, Oblast (Sverdlovskaya)/Jekaterinburg/Tokovaya, Fluss/Malyshevo/Izumrudnye Kopi (Malyshevskoe)/Krasnoarmeiskii Mine
Mineral: Hydroxycalciomicrolite
Image: 1466491751
License: Usage for Mineralienatlas project only
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

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

Lapis Classification

IV/C.13-023

IV: OXIDE
C: Oxide mit Verhältnis Metall : Sauerstoff = 2:3 (M2O3 und verwandte Verbindungen)
13: Pyrochlor-Gruppe; MIKROLITH-Untergruppe [Ta ± Nb]

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

Other languages

English

Hydroxycalciomicrolite

German

Hydroxycalciomikrolith

Russian

Гидроксикальциомикролит

CNMNC (IMA)-Number

IMA 2013-073

CNMNC symbol

Symbol

Hcmic

Locations with GPS information