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Kenoplumbomicrolite

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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 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

Volumne (ų)

1181.267

Kristall 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

 
A2-mD2X6-wZ1-n
 
 

 
 
(Na,Ca)2Ta2O6(O,OH,F)
kubisch
Fd3m

 
 
 
(Ca,Na)2Ta2(O,OH)6F
kubisch
Fd3m

 
 
 
(Na,Ca,Bi)2(Ta,Nb)2O6F
kubisch
Fd3m

 
 
 
(◻,H2O)2Ta2(O,OH)6(H2O)
kubisch
Fd3m

 
 
 
(H2O,◻)2Ta2(O,OH)6(H2O)
 
 

 
 
 
Ca1.5Ta2O6(OH)
kubisch
P4332

 
 
 
(◻,Na,Sb3+)2Ta2O6(OH)
kubisch
Fd3m

 
 
 
(Pb,◻)2Ta 2O6(◻,O,OH)
kubisch
Fd3m

 
 
 
(Bi1.33☐0.67)Σ2Ta2O6O
kubisch
Fd3m

 
 
 
Ca2Ta2O7
kubisch
Fd3m

 
 
 
(Na,Ca,U)2(Ta,Nb)2O6(O,F)
kubisch
Fd3m

 
 
 
Sn2Ta2O6O
kubisch
Fd3m

 
 
 
(Sb3+,Ca)2Ta2O6O
 
 

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Actuality: 25. Jun 2022 - 07:26:40

Other languages

English

Kenoplumbomicrolite

German

Kenoplumbomikrolith

Alternative Name

German

Kenoplumbomicrolit

CNMNC (IMA)-Number

IMA 2015-007a

CNMNC symbol

Symbol

Kpmic

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