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Hydroxymanganopyrochlore

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Formula:
(Mn,Th,Na,Ca,REE)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
System:Isometric
Member of:Pyrochlore Group > Pyrochlore Supergroup
Name:Named according to the nomenclature of the Pyrochlore supergroup with Mn on the A-position and the hydroxyl ion (OH-) on the Y-position.


Mn2+ dominant analog of hydroxycalciopyrochlore.

Classification of Hydroxymanganopyrochlore

IMA status:Approved 2012
mindat.org URL:http://www.mindat.org/min-42748.html
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Type Occurrence of Hydroxymanganopyrochlore

Type Locality:In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany
Place of Conservation of Type Material:Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4226/1

Crystallography of Hydroxymanganopyrochlore

Crystal System:Isometric
Cell Parameters:a = 10.2523(2) Å
Unit Cell Volume:V 1,077.62 ų (Calculated from Unit Cell)
Comment:Space group Fd3m
X-Ray Powder Diffraction:
d-spacingIntensity
2.969 (100)
2.569 (40)
2.358 (12)
1.816 (47)
1.548 (40)
1.481 (14)
1.284 (10)
1.178 (14)

Chemical Properties of Hydroxymanganopyrochlore

Formula:
(Mn,Th,Na,Ca,REE)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
Essential elements:H, Mn, Nb, O
All elements listed in formula:Ca, H, Mn, Na, Nb, O, Th, Ti

Relationship of Hydroxymanganopyrochlore to other Species

Member of:Pyrochlore Group > Pyrochlore Supergroup
Other Members of Group:

- +
Fluorcalciopyrochlore
(Ca,□)
 
2
Nb
 
2
(O,OH)
 
6
F
Fluorkenopyrochlore
(□,Na,Ce,Ca)
 
2
(Nb,Ti)
 
2
O
 
6
F
Fluornatropyrochlore
(Na,REE,Ca)
 
2
Nb
 
2
(O,OH)
 
6
F
Fluorstrontiopyrochlore
(Sr,□)
 
2
Nb
 
2
(O,OH)
 
6
F
Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
Hydroxycalciopyrochlore
(Ca,Na,U,□)
 
2
(Nb,Ti)
 
2
O
 
6
(OH)
Kenoplumbopyrochlore
(Pb,□)Nb
 
2
O
 
6
(□,O)
Oxycalciopyrochlore
Ca
 
2
Nb
 
2
O
 
6
O
Oxynatropyrochlore
(Na,Ca,U)
 
2
Nb
 
2
O
 
6
(O,OH)
Oxyplumbopyrochlore
Pb
 
2
Nb
 
2
O
 
6
O
Oxyyttropyrochlore-(Y)
(Y,◻)
 
2
Nb
 
2
O
 
6
O

Other Names for Hydroxymanganopyrochlore

Synonyms:
IMA2012-005
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Hydroxymanganopyrochlore

Reference List:

- +
Chukanov, N.V., Blass, G., Zubkova, N.V., Pekov, I.V., Pushcharovsky, D.Y. and Prinz, H. (2012) Hydroxymanganopyrochlore, IMA 2012-005. CNMNC Newsletter No. 13, June 2012, page 813; Mineralogical Magazine, 76, 807-817.

Blaß, G. & Kruijen, F. (2012): Die neuen Mineralfunde aus der Vulkaneifel. Mineralien-Welt 23 (5), 38-48 (in German).

Internet Links for Hydroxymanganopyrochlore

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
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    • Localities for Hydroxymanganopyrochlore

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Germany
     
    • Rhineland-Palatinate
      • Eifel
        • Laach lake volcanic complex
          • Mendig
            • Niedermendig
    		Chukanov, N.V., Blass, G., Zubkova, N.V., Pekov, I.V., Pushcharovsky, D.Y. and Prinz, H. (2012) Hydroxymanganopyrochlore, IMA 2012-005. CNMNC Newsletter No. 13, June 2012, page 813; Mineralogical Magazine, 76, 807-817; Blaß, G. & Kruijen, F. (2012): Die neuen Mineralfunde aus der Vulkaneifel. Mineralien-Welt 23 (5), 38-48 (in German).
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