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Kenoplumbomicrolite (Kenoplumbomikrolith)

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Kenoplumbomicrolit
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Kenoplumbomicrolit
Kenoplumbomicrolit-Kristall, Berg Ploskaya, westliches Keivy Massiv, Halbinsel Kola, Russland; BB ~ 3 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Keivy-Massiv/Western Keivy Massif/Ploskaya
Mineral: Kenoplumbomicrolite
Image: 1608217653
License: Usage for Mineralienatlas project only
Kenoplumbomicrolit

Kenoplumbomicrolit-Kristall, Berg Ploskaya, westliches Keivy Massiv, Halbinsel Kola, Russland; BB 3 cm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-12-17
Locality: Ploskaya / Western Keivy Massif / Keivy-Massiv / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Hardness (Mohs) 6
Crystal System kubisch, Fd3m

Chemism

Chemical formula

(Pb,◻)2Ta 2O6(◻,O,OH)

Chemical composition

Blei, Tantal, Sauerstoff, Wasserstoff

Unit weight: 517.161297 u; Number of atoms in the formula: 11

Info

Empirical formula:

(Pb,◻)2Ta 2O6(◻,O,OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.19

1

9.09

1.0079470

1.0079470
Oxygen

O

24.75

8

72.73

15.9994300

127.9954400
Tantalum

Ta

34.99

1

9.09

180.9479100

180.9479100
Lead

Pb

40.07

1

9.09

207.2100000

207.2100000

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.13-058

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

Classification by Hölzel

4.CI.480

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)

Mineral status

anerkanntes Mineral

IMA Classification

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)

10.571(1)

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

Volume (ų)

1181.267

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

3.050(100), 2.641(42), 2.425(9), 2.033(6), 1.869(26), 1.595(23), 1.527(9)
XRD chart Kenoplumbomicrolite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

6

Density (g/cm³)

7.310 - 7.832 (gemessen) beinflusst von Uraninit Einschlüssen

5.816 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Keivy-Massiv/Western Keivy Massif/Ploskaya

Type material

Museu de Geociências, Instituto de Geociências, Universidade de São Paulo, Rua do Lago 562, 05508-080 São Paulo, Brasilien

Collection number of type material

DR980

Preface

Author (Name, Year)

Luca Bindi, Daniel Atencio, Marcelo B. Andrade, Paola Bonazzi, Matteo Zoppi, Chris J. Stanley und Roy Kristiansen

References

The Pyrochlore Supergroup of Minerals: Nomenclature; The Canadian Mineralogist Vol. 48, pp. 673-698 (2010) Bindi, L., Atencio, D., Andrade, MB, Bonazzi, P., Zoppi, M., Stanley, CJ und Kristiansen, R. (2016) Kenoplumbomicrolite, IMA 2015-007a. CNMNC Newsletter Nr 33, Oktober 2016 Seite 1143; Mineralogical Magazine, 80, 1135-1144.

IMA group assignments

Other languages

English

Kenoplumbomicrolite

German

Kenoplumbomikrolith

Alternative Name

German

Kenoplumbomicrolit

CNMNC (IMA)-Number

IMA 2015-007a

CNMNC symbol

Symbol

Kpmic

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ULmPqvoiG0SCiwAnsUdJjg
GUID (Global unique identifier) AA8FB950-22FA-441B-828B-0027B147498E
Database ID 7199