Hydroxymanganopyrochlore
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About Hydroxymanganopyrochlore
Formula:
(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
Colour:
Dark-brown; black
Specific Gravity:
5.398 (Calculated)
Crystal System:
Isometric
Member of:
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.
Classification of Hydroxymanganopyrochlore
Physical Properties of Hydroxymanganopyrochlore
Colour:
Dark-brown; black
Comment:
Black with red reflexes
Tenacity:
Brittle
Cleavage:
None Observed
Density:
5.398 g/cm3 (Calculated)
Chemical Properties of Hydroxymanganopyrochlore
Formula:
(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
IMA Formula:
(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
Crystallography of Hydroxymanganopyrochlore
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Cell Parameters:
a = 10.2523(2) Å
Unit Cell V:
1,077.62 ų (Calculated from Unit Cell)
Morphology:
Octahedral crystals.
Comment:
Space group Fd3m
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0020052 | Hydroxymanganopyrochlore | Chukanov N V, Blass G, Zubkova N V, Pekov I V, Pushcharovskii D Y, Prinz H (2013) Hydroxymanganopyrochlore: A new mineral from the Eifel volcanic region, Germany Doklady Earth Sciences 449 342-345 | 2013 | Eifel volcanic region, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.969 Å | (100) |
2.569 Å | (40) |
2.358 Å | (12) |
1.816 Å | (47) |
1.548 Å | (40) |
1.481 Å | (14) |
1.284 Å | (10) |
1.178 Å | (14) |
Geological Environment
Geological Setting:
Laach Lake volcanic Complex.
Type Occurrence of Hydroxymanganopyrochlore
General Appearance of Type Material:
Octahedral crystals up to 0.7mm in diameter growing on the walls in small miarolitic cavities in sanidinite.
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4226/1.
Synonyms of Hydroxymanganopyrochlore
Other Language Names for Hydroxymanganopyrochlore
German:Hydroxymanganopyrochlor
Relationship of Hydroxymanganopyrochlore to other Species
Member of:
Other Members of this group:
Cesiokenopyrochlore | ◻Nb2(O,OH)6(Cs,◻) | Iso. m3m (4/m 3 2/m) : Fd3m |
Fluorcalciopyrochlore | (Ca,Na)2(Nb, Ti)2O6F | Iso. |
Fluorhydropyrochlore | A possible new species (See discussion in Atencio et al. | |
Fluorkenopyrochlore | (◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F | |
Fluornatropyrochlore | (Na,Pb,Ca,REE,U)2Nb2O6F | Iso. m3m (4/m 3 2/m) |
Fluorplumbopyrochlore | (Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6F | Iso. |
Fluorstrontiopyrochlore | (Sr,◻)2Nb2(O,OH)6F | |
Hydrokenopyrochlore | (◻,x)2Nb2O6(H2O,Cs) | Iso. m3m (4/m 3 2/m) : Fd3m |
Hydropyrochlore | (H2O,◻)2Nb2(O,OH)6(H2O) | Iso. m3m (4/m 3 2/m) : Fd3m |
Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) | Iso. m3m (4/m 3 2/m) : Fd3m |
Hydroxykenopyrochlore | (◻,Ce,Ba)2(Nb,Ti)2O6(OH,F) | Iso. m3m (4/m 3 2/m) : Fd3m |
Hydroxynatropyrochlore | (Na,Ca,Ce)2Nb2O6(OH) | Iso. m3m (4/m 3 2/m) : Fd3m |
Hydroxyplumbopyrochlore | (Pb1.5◻0.5)Nb2O6(OH) | Iso. m3m (4/m 3 2/m) : Fd3m |
Kenoplumbopyrochlore | (Pb,◻)Nb2O6(◻,O) | |
Oxycalciopyrochlore | Ca2Nb2O6O | Iso. m3m (4/m 3 2/m) : Fd3m |
Oxynatropyrochlore | (Na,Ca,U)2Nb2O6(O,OH) | |
Oxyplumbopyrochlore | Pb2Nb2O6O | |
Oxyyttropyrochlore-(Y) | (Y,◻)2Nb2O6O | |
Unnamed (Sb-analogue of Hydroxymanganopyrochlor) | (Mn,Ca,Y)2(Sb,Ti)2O6(OH) |
Common Associates
Other Information
Health Risks:
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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. and Kruijen, F. (2012) Die neuen Mineralfunde aus der Vulkaneifel. Mineralien-Welt: 23(5): 38-48 [in German].
Chukanov, N.V., Blaß, G., Zubkova, N.V., Pekov, I.V., Pushcharovskii, D.Y., and Prinz, H. (2013) Hydroxymanganopyrochlore: A new mineral from the Eifel volcanic region, Germany. Doklady Akademii Nauk: 449(2): 215-218 [in Russian].
Chukanov, N.V., Blaß, G., Zubkova, N.V., Pekov, I.V., Pushcharovskii, D.Y., and Prinz, H. (2013) Hydroxymanganopyrochlore: A new mineral from the Eifel volcanic region, Germany. Doklady Earth Sciences: 449(1): 342-345 [in English].
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.
Internet Links for Hydroxymanganopyrochlore
mindat.org URL:
https://www.mindat.org/min-42748.html
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Localities for Hydroxymanganopyrochlore
Locality List




All localities listed without proper references should be considered as questionable.
Germany (TL) | |
| 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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Laacher See Volcanic Complex, Germany