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Hydroxymanganopyrochlore

Collectors Summary

Crystal System kubisch, Fd3m

Chemism

Chemical formula

(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)

Chemical composition

Calcium, Mangan, Natrium, Niob, Thorium, Titan, Sauerstoff, Wasserstoff, REE

Unit weight: 475.75378393 u; Number of atoms in the formula: 12

Info

Empirical formula:

(Mn0.55Th0.25Na0.1Ca0.05REE0.05)2(Nb0.75Ti0.25)2O6(OH)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.21

1

8.33

1.0079470

1.0079470

Oxygen

O

23.54

7

58.33

15.9994300

111.9960100

Sodium

Na

0.97

0.2

1.67

22.9897702

4.5979540

Calcium

Ca

0.84

0.1

0.83

40.0784000

4.0078400

Titanium

Ti

5.03

0.5

4.17

47.8671000

23.9335500

Manganese

Mn

12.70

1.1

9.17

54.9380499

60.4318549

Niobium

Nb

29.29

1.5

12.50

92.9063820

139.3595730

Rare Earth

REE

3.03

0.1

0.83

144.0000000

14.4000000

Thorium

Th

24.39

0.5

4.17

232.0381100

116.0190550

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.12-010

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

Classification by Hölzel

4.CH.119

4: OXIDES
C: R2O3 Sesquioxides
H: Pyrochlore-Group, Nb-dominant on the B-site

IMA status

anerkannt - April 2012 - CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Pyrochlore supergroup  ⇒ Pyrochlore group

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

10.252

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)

1077.521

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

2.969(100), 2.569(40), 2.358(12), 1.816(47), 1.548(40), 1.481(14), 1.284(10), 1.178(14)

XRD chart Hydroxymanganopyrochlore

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.865 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mendig, Verbandsgemeinde/In den Dellen (Grube Zieglowski)

Type material

Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia

Collection number of type material

4226/1

Preface

Author (Name, Year)

Nikita V. Chukanov, Günter Blass, Natalia V. Zubkova, Igor V. Pekov, Dmitry Y. Pushcharovsky und Herbert Prinz (2012)

References

CNMNC Newsletter No. 13, June 2012, page 808; Mineralogical Magazine, 76, 807-817

IMA group assignments

 
A2-mD2X6-wZ1-n
 
 

 
 
A2Nb2(O,OH)6Z
kubisch
Fd3m

 
 
 
☐Nb2(O,OH)6Cs1−x {x ∼ 0.20}
kubisch
Fd3m

 
 
 
(Ca,Na)2(Nb,Ti)2O6F
kubisch
Fd3m

 
 
 
(☐,Na,Ce,Ca)2(Nb,Ti)2O6F
 
 

 
 
 
(Na,Pb,Ca,REE,U)2Nb2O6F
kubisch
Fd3m

 
 
 
(Sr,☐)2Nb2(O,OH)6F
 
 

 
 
 
2Nb2O4(OH)2(H2O)
kubisch
Fd3m

 
 
 
(H2O,☐)2Nb2(O,OH)6(H2O)
kubisch
Fd3m

 
 
 
(Ca,Na,U,☐)2(Nb,Ti)2O6(OH)
kubisch
Fd3m

 
 
 
(☐,Ce,Ba)2(Nb,Ti)2O6(OH,F)
kubisch
Fd3m

 
 
 
(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
kubisch
Fd3m

 
 
 
(Na,Сa,Ce)2Nb2O6(OH)
kubisch
Fd3m

 
 
 
(Pb1.50.5)Nb2O6(OH)
kubisch
Fd3m

 
 
 
(Pb,☐)Nb2 O6(☐,O)
 
 

 
 
 
Ca2Nb2O6O
 
 

 
 
 
(Na,Ca,U)2Nb2O6(O,OH)
 
 

 
 
 
Pb2Nb2O6O
 
 

 
 
 
(Y,☐) 2Nb2O6O
 
 

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Actuality: 27. Feb 2024 - 00:02:50

Other languages

German

Hydroxymanganopyrochlor

English

Hydroxymanganopyrochlore

Russian

Гидроксиманганопирохлор

CNMNC (IMA)-Number

IMA 2012-005

CNMNC symbol

Symbol

Hmpcl

Locations with GPS information

IDs

GUSID (Global unique identifier short form) QcwrsU7e_UyztBQB6qpdcw
GUID (Global unique identifier) B12BCC41-DE4E-4CFD-B3B4-1401EAAA5D73
Database ID 7397